1970 chevelle engine casting numbers used on this website and in the depths of people's minds Engine Stuff * Alternator Numbers/Dates * Crankshaft Casting Numbers * Cylinder Head Casting Number by Year 1970 – 1974 LS5 Corvette Engine Ultimate Guide. (Under restoration) 69 Chevelle SS396 L78 4-speed Post Sedan, Silver, black vinyl bench seat. I contacted the seller, he got the motor and was told of the bearing problem with no specifics provided. M. The CPP code is also found in Chevrolet by the numbers (1970-1975) by Alan Colvin but is listed at 425hp; the CPR code is 12 bolt casting numbers? 1970 Chevelle. 00" Heads ~ Casting number 3964291 * Closed chamber square Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and All Chevy Big Block engines exhaust manifolds have an identifying Casting number. Say 81 or 82. Keith-----Keith 70 El Camino SS L78 396 Currently: 496ci, roller cam, aluminum heads, Richmond 5 speed Coming soon: multi-point fuel injection, Electromotive TECII engine management system C3 Tech/Performance - '69 350/350 casting numbers? - Hey guys, anybody know off the top of your head what the correct block casting number(s) would be for a 1969 350/350 motor? I've come across what is supposed to be a '69 350 engine that was recently pulled out of a street rod. I gave him the casting number and he told me that was a rare block . 1970 I have a 1970 LS6 454 450HP engine in my 1969 427 Corvette. The casting number is probably the most significant feature on a cylinder head as it's the hardest to alter. Chevrolet Big Block Engine VIN Number. richiecat4223 121 Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. ChevelleStuff. The primary codes to check engine casting number 3963512 was used 1971-75 V8, special high performance and 1970 V8, LS6 450hp. Here is a list of casting numbers, along with their original applications. with a rect port gm aluminum intake casting number 3933198 date code 1 4 68 on the bottom also stamped 19 on the bottom . 1970 Chevelle Manifold Number: Year: Engine: Horsepower: Notes: 3844461: 1964 1965: 327 327: 350 350: Aluminum with Holley 4-bbl. JC – 1970 396ci/402ci, 350 HP, used in Chevelle with automatic transmission; For example, some engines produced after 1970 were actually 402 cubic inches, but That is where I need your advice. 1970 Chevelle Engine ID Codes . 68Chevele 123 Replies. These codes reveal the engine's specs, production date, and original vehicle. According to the cowl tag, the truck was assembled on 02D, or 02/22-28/1970. Claimed to be unmodified, no porting or polishing. At the back of that intake, a traditional points distributor sequences fire through hot AC-Delco-Packard TV-R Suppression cables. 1970 Chevelle/El Camino decoding information links While there may be thousands of engine blocks with the correct casting number, and hundreds with the acceptible casting dates, and even fewer with the correct suffix (for a Chevelle for instance), there is only ONE engine block with the Matching serial number stamped into the engine block. But the 325hp Chevelle engine didn't come with a Holley and wouldn't be stamped as such with the 3rd suffix letter and shouldn't be confused with the two-letter suffix codes like Block ~ Casting number 3963512 * Bore ~ 4. I'm getting ready to overhaul the engine and was wondering about the casting number. Open Chamber Design. Jump to Latest Rob, casting number 3969854 is correct for a '70 402. 1970 Chevelle/El Camino/Monte Carlo production numbers by plant Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. One exception seems to be the 1970 engine blocks being dated as month letter, 1- or 2-digit date, and a 2-letter year number (70). accueil engine code. The engine assembly date and ID suffix code as well as the partial VIN for all V8 engines is always stamped on the engine pad as shown here. LS6 454 from the early 1980's. Terminology * Terms, expressions, names of parts, models, etc. So you have a 402 with closed chamber 11. 1970 Chevelle 517 cid, TH400, best ET mid 9's. 1970 454 LS5. Maryland Chevelle Club #017 A. Check the casting number and date above 5he bell housing on the block to see if pad stamping and build Quick Decoding. 1969 Chevelle Engine ID Codes In 1970 it's known from the Tonawanda engine plant records that 28 Chevelle L78 engines were built; 18 were sold and 10 were service engines. 1970 SS 454 Chevelle (LS5+2, M22, 3. Casting number 3963512, dated K 11 9, 4 bolt main. 0 4020 lbs. Did this happen often? Thanks for any help. 1970 chevelle SS BLOCK casting DATE code On my 1970 chevelle SS the door has 10/69 and the engine block has T09220CTW i can't find the vin by that number though to see if it is a matching motor and car,could it be somewhere else or wasn't put on ?? the casting date on the block looks like I 9 9, which makes sense. 4 L and that means late model block. The engine was The correct number for all 1970 engines is the #3969811. Engine is purchased "As Is", No Warranty. If you are working on the cylinder heads, you should post the casting numbers for the heads, can give you a lot more info on both the heads themselves and parts for then. 0:1 forged TRW pistons and a solid flat tappet cam from the factory Photos. 1 4BC and was a manual 4 speed car. Correct, you only need parts from the time frame. mrmuncie Discussion starter. those are the casting numbers and they look great but I am looking for the date locations I understand they stamped on them somewhere . And, just an FYI, casting numbers are not stamped, they are cast when the part is created in the casting mold. Heres the 399 series of casting number's for a 454-pick one: 399289 454 73-79 2-bolt 3999289 454 72-78 Car & Truck 2-Bolt And here's the remaining 399 series numbers: 399293 366 77-78 Truck 3999290 402 72 2-bolt 3999293 366 Also a block casting number and a casting date on the reat top of the engine. BEST OF THE BEST (1) This code is found in the ENGINE SERIES NUMBER AND SUFFIX CHART of the Chevrolet Parts and Accessories Catalog dated August 1971 but does not differentiate between the Chevelle and the Monte Carlo; both are considered 13xxx series Chevelles. I know the casting number I am suppose to be looking for the only problem is its very difficult to see and I can't confirm 100% if its correct. 1970 Chevelle/Monte Carlo Production Numbers by Series/Model Big Block Chevy Engine Parts casting numbers and Identification : Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams | truck,1053,forging number 6223: 336782: 1970-74 : 454 : with automatic transmission: 3879621: 1967 : 427 : L-88, See Note 1: 3882841: 1965-71 : 396 : See Note 2: 3882842: The case is that i came over a bigblock engine with casting number: 3969854. CTX= 402 1970 350hp manual trans. Save Share I have one of those crate engines in my basement. Once again I never stated this was an LS6 out of an LS6 Chevelle from 1970. In case you're wondering the bottom of this Chevelle is just as clean and carefully restored as its straight body panels and pristine engine bay. Chevy’s First-Generation Small-Block V8 Casting Numbers. 14011077. The casting number will help me get the correct one. 1968 327/325hp - September 16, 1967 (note yellow paint daub) 1968 327/275hp - January 15, 1968 (note light green paint daub) Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. The guy I bought the motor from said it was an ls6 454 crate engine. 1970 Chevelle Bucket Seat Interior Photos Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior 1970 SS Chevelle Numbers Matching CTX Engine. Code Prefix. 24hrsparkey; Mar 12, 2020; 28 5. I am trying to figure out what year the block is and what is it, 396 or a 402? The stamp on the front of the block is TII24TBG. 66 60', 107. 88 exhaust Possible Vette 427/435 engine, Possible COPO Camaro 427 engine or maybe outa something else. 35, 1. Berger car 70 Chevelle SS454 LS6, M22, 4. 73 ~ 12-bolt L48/350-4 & LS3/402 . I have not been able to locate any GM big block with such a casting number. animal69. Casting numbers often are not the same as part numbers as 1970 chevelle block numbers. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. this is regarding the block with casting number 3969854 and dated in Jan of 70, so for the model year 1970. 5 1968-73 3973487 350 2. 31 12 bolt) 1971 Malibu (350, M22, 3. my questons , is this a rare block or just a run of the mill 4 bolt block . Sort by Oldest first Oldest first Newest first Most reactions. The engine stamp is T1210CTX, indicating an engine date of December 10, 1969. there are no numbers on the pad. 10036033 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal 3963512 427 69 Chevelle, Camaro COPO 3963512 427 69 Corvette Late 69 3963512 454 70 Corvette, Pass 360, 390 HP 3963512 454 70 Chevelle LS6, 450 HP 3963512 454 70-71 Pass, Chevelle, Monte Carlo 3963512 454 71 Corvette 365, 425 HP 3963512 454 73-75 Chevelle Depends on what the pad ID and date code is. shovelrick 203 Replies. F1570 casting date. 1970 Chevelle SS Verify the casting numbers located on the rear of the block where it attaches to the bellhousing to ensure your block is era correct if VIN or Tonawanda stampings 1970-75 Chevrolet engine codes decoder reveals the code prefix location, engine performance, displacement, and configuration. 21" * Stroke ~ 4. 1970-1972 ~ Variations of casting number 3969278 * Engine RPO code and size following the rear axle ratio are The L34 was the base engine with the Z25 Super Sport Option of which 53,599 were reported sold. 10 posi Bench Racing Performance Engine Chevelle Tech Body Shop. V8 engine codes are stamped on a pad forward of the cylinder head on the passenger side of There is a truck wrecking yard nearby and they have several 454 externally balanced flywheels. Cannot be used on Gen V engines because of upper water hole alignment. Timing Cover: In some models, the timing cover The engine-block casting number used in 1970 Chevelle SS featuring the RPO Z15 SS454 option was 3963512. _____ [I do not have the service engine breakdown for Monte Carlo, so I cannot give you an exact figure, . ChevyWorld. 42's, 12. Basically, I want to know the chances of finding a motor that is the right casting and deck pad code. It has a 4 speed. 90@113 MPH 1970 396/350 HP Engine Codes. OMG, what a BEAST! George Kettler Not sure they ever used a 512 block for the OTC LS7 crate motor, the following casting numbers are confirmed (XCH suffix). He gave me the 454 that he was gonna put in the car but he never got around to restoring it. 6-250 P/G, Taxi& Police. Casting number 3856284 and date K 1 6 - November 1, 1966. The 3963512 on the trans flange is a block casting number and applies to the following engines: 3963512 427 68-69 Pass 385, 425 HP 3963512 427 69 Chevelle, Camaro Although not available to the general public as an optional Chevelle engine, an LS7 454ci engine was available over the counter. Any help would be much aprreciated. Anything earlier than 1970 had a two letter application code and after 1972 all big blocks where a 454. A 1970 LS5 would be 3963512 casting with two bolt mains. Look again for convin near oil filter pad. 325 - 350 - 375? And down to 300 in Im trying to get info on my block and heads. 060 over. Its a 4-bolt main it has 7/16 rods 3/8 pushrods and the head casting numbers are 6272990 with rectangle ports & says "high perf". 1970 Chevelle SS A guy I know was selling this car with no engine or trans. This engine Vin was only federally mandated starting in 1968. Thanks, Scott! Bench Racing Performance Engine Chevelle Tech Body Shop. 1970 Chevelle/El Camino decoding information links Vin Plate: The Vehicle Identification Number (VIN) can also provide clues about the engine. blm 152 Replies. Some casting numbers are NOT listed as they may have been used in other models of the Chevrolet lineup but were NOT used in the Chevelle - such as the 1965 409cid heads #3830817 & #3852583 or 67 Camaro heads #3876775. the 3 books are all called something like Things sure changed from 1972 to the late eighties early 90's when I was buying those engines. To be truly Matching Numbers is to have the actual motor that was installed at the factory, not just a replacement from another 67 Chevelle. 1970 Chevelle/El Camino/Monte Carlo Trim Tag Breakdown 1970 Chevelle Fisher Body Number Plate [ 1964] | [ 1965] I own a 1970 Chevelle SS 396 which the original engine number matching to the car. with cable. 08, 1. Monte Carlo does match the 163,087 engine production but not reported model production number of 163,085. 2. Tips & Warnings If the engine identification numbers read 3969854 or 3955272, the engine is considered a 396/402. The car is a 70 SS 396 Chevelle. The STAMPED number you posted above is the SHORTBLOCK assembly date. Chevelle, Camaro, Nova, Monte Carlo & '69-'76 Truck 2-bolt Some casting numbers are NOT listed as they may have been used in other models of the Chevrolet lineup but were NOT used in the Chevelle - such as the 1965 409cid heads #3830817 & #3852583 or 67 Camaro heads #3876775. i was at borders and barnes and nobles doing research for a book i am writing on the 69 Chevelle SS396. I have understod that this is a 1970 -71 "402cid" The date casting number is A11/70. E. Which engines were these heads used on? This is the only information I was able to find. left rear of motor numbers are 3810010 if anybody can help it "Numbers Matching" not only refers to the casting numbers and dates, but also to the serial number (Vin#) STAMPED onto the engine and trans case as the car is being assembled. 31 12 Bolt) I helped a pal put the crate engine PN 774 in his 70 SS Chevelle. I also have in my possesion, an #854 with a date of G-2-9 (July 2nd), roughly 12 days from the earlier post of June 20th #272 Block. These exhaust manifold castings were used in various other models of the Chevrolet lineup such as the passenger car, Chevy II/Nova, Camaro and Corvette. Casting date example of G 28 0 for July 28, 1970. Naturally, the big block, bathed in vivid Chevy Orange paint, fronts a correct 3963512 casting number and February (B) 24th (24), 1970 (0) casting date with a correct "CRV” assembly stamp. RECTANGULAR PORT - Valve size 2. 454 CID, 450 HP. Features. The LS5 was the base engine of the Z15 SS 454 option. The block was available in 2 Bolt or 4 bolt configuration. 90@113 MPH My 1964 Big Block Corvette Gasser. A total of 381,824 8-cyl engines were installed; 245,032 307cid, 74,007 327cid, and 62,785 396cid engines. Four bolt main blocks are desirable in high performance applications Engine identification may be determined by finding the engine block VIN and the engine application code in the following tables. The confusing thing is the deck is stamped with a CPA code which I believe is from a 71 4 speed car. The date appears to be L16 dot 9, or December 16, 1969. One must subtract the number of L34 engines by subtracting the number of L78 engines (2,144) from the 53,599 Z25 options, or 51,455 s96/402 engines. I'm gonna take the whole engine apart on Sunday. 90@113 MPH Bench Racing Performance Engine Chevelle Tech Body Shop. 94 1. BBC used different intake & exhaust manifolds. Example a 1970 L48 (350-4) was rated at 300hp but the 1971 L48 was down to 270, and in 1972 was dropped to 175. Behind the big block an original Muncie M22 Rock Crusher hangs a correct 3925660 casting number in front of a Muncie (P) M22 ( C ) assembled on January ( A ) 13th (13) 1970 (0) build stamp. 1970 Chevelle SS 2009 Harley Davidson Fat Bob. ) (Total number 1970 LS5 Chevelle engines produced)Of these 662 were made as service engines, leaving total Chevelle LS-5 car production as 4,298(the old, well publicized 1970 LS5 Chevelle car count number). what you think this came on from factory ? This is supported by a notation in a 1976 dated Chevrolet parts book, "The engine plants are to stamp the serial pad of all current model service engines with the source, production date, and same type designation as stamped on a comparable production engine. The car has the lower part of dash in the trunk and the Casting date example of F 24 0 for June 24, 1970. 1970 Chevelle Engine ID Codes 1970 Chevelle Engine Horsepower & Torque Specifications [ 1964] | [ 1965] | Origianly an LS5 car, the seller is claiming a real LS6 presently resides in the engine bay. but i have read 3 corvette history books and they all state the 454/460HP LS7 as an avaialble option but i did not check production numbers. The rear end housing also has a casting number, date code, and another code stamped into the axle tube on the front passenger side. Is he aware he is selling something that is not matching numbers? My 1970 SS454 LS6 SuperCar certified stock appearing 11. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. It's been reported that beginning in 1970, if more engines were needed at a given plant in a year than the range of sequence numbers allotted, the plant would re-use the numbers using the letter "A" after the "CE" and year designation. 10 there are no numbers on the front pad . :thumbsup: 289 '71-'79 959 '73-'90 Engine 396 375 L78 Casting numbers 396 375 L78 Casting numbers. He has to give the complete casting number and the casting date for this to be (2) One source, Chevrolet by the numbers, shows CRN for a 1970 Monte Carlo 454/360 with TH400 where a second source, Chevelle, Malibu & El Camino ID numbers 1964-87 (as well as many websites) shows the CRN code for a not sure this posted the right place, but my friend recently bought a 454 out of a truck. Doesn't make sense. Verle Tulsa, Ok Bench Racing Performance Engine Chevelle Tech Body Shop. and the Chevelle Family Tree. Great looking engine Perfect for that special Chevelle Premium 454 Block Casting Numbers. T1028CKO and 3969974 pistons. snowflake on the top. 1970 Chevelle LS6 this block is documented in a 1970 Chevelle, 350-4 w/TH350. You said you got several sets of heads with the engine. If anyone has a photo of a KNOWN 1970 block with a single digit year code (0), please send me a photo of it and how you know it's a 1970 block. 89-94. Quick links to decode engine suffix codes, interior codes, paint codes, etc. I also didn't state the aluminum LS6 heads were from a '71 LS6 Corvette. in this forum in the entire site. 454. The latest date ever found on the #3931065 is April 16th, 1969, and the earliest known #3969811 is April 30th, 1969. 5075 posts Was there an engine like this in a 1970 Chevelle? Oliver . No a/c but with p/s . Casting number 14096188 or 6272990. 12562934. CKO 1970 396 375 Chevelle L-78 SHP CKO 1970 396 375 Camaro L-78 SHP Block has 'short tower' distributor boss and casting date is found on top of bellhousing flange near casting number. 1970 Chevelle/El Camino/Monte Carlo engine pad photos 1970 Chevelle Engine Photos & 396/454 cid Engine Production Numbers Just pulled the original 350 250hp motor out of my chevelle. shovelrick 177 Replies. 1970 Chevelle Engine ID Codes Given the number of Z25 and Z15 options (including optional L78 and LS6 engines), the total arrived at is 63,372 for SS optioned Chevelles but this total includes the two SS options both exported to and imported from Canada so the exact U. 1970 Chevelle/El Camino/Monte Carlo production numbers by plant 1970 3964291 Open Chamber Heads?? seller on eBay has a set of 1970 3964291 OPEN CHAMBER heads? This is the CLOSED CHAMBER casting number. Big Block Chevrolet Engine Intake and Exhaust Manifolds Info and Casting Numbers. it was a 014 block 2bolt with the same heads you have 462. I believe that the Need casting numbers for 1970 402 L34 motor Block Heads Intake '70 Chevelle, 462, 3. *4,960. The Engine ID codes in the front say a different story 1970 Chevelle. I had a EKH three letter suffix code all original 1966 396 325hp chevelle engine. Right bank, stamped in block: T 1 I 24 C R V. What are the VIN sequence 201925 falls in early January 1970 for Arlington. your specific RPO shows this engine came out of a 1970 Chevelle 454 360hp 10:25. It's been decked off so their is no There still should be a casting number on the block, top of the extension the trans bolts to. figures are difficult to ascertain. Casting date example of F 24 0 for June 24, 1970. shovelrick 199 Replies. Chevy II/Nova 396/350 two bolt, and 396/375 four bolt. one car I documented (1966 L78 Chevelle) had the With the number of SS396 series/models known at 63,006, the remaining 3,530 396 engines were installed in the 134/13680 El Camino. Engine turns freely. Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. by Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. . Top Contributors this Month View All 1970 Monte Carlo SS 454 1969 Camaro RS 4spd 1970 442 4 speed 1970 F-85 W-31 4spd The casting number is correct for a 66 396 or 427 2 bolt main. EK= 396 325hp 2 speed powerglide H= Holley carb. #3731 Id like to go with 1970-1971 BB pulleys with long water pump . A "two-bolt" main, or a four-bolt main. " V8 Engine Block Casting Numbers By Year (1964-1972) I have an engine with the casting# 3955272 and an original engine date code stamp that has a suffix of MQ. Numbers suggest 1970 Chevrolet Chevelle 4 speed. The casting date is B 3 70 (or February 3, 1970). 00 & UP. Original casting # 3969854 with a CKO stamped suffix correct for 70 Super Sport with a 4 speed transmission. A. B270 is the casting date: B - February 27 - day of month 0 - 1970 So you have a 1970 Chevelle rearend coded for: 2. There is not VIN on the deck. Coincidentally, I also have this same numbers on my '69, which makes me think mine are original also. 502. thing had oval port heads dated 1970 i think. What would the casting numbers be for a real 19970 LS6 or how can I determine what it really is? Thanks #2 1970 SS Chevelle Van Nuys Built Last edited by shadowgray396; 06-30-2012 at 01:47 AM. Under the hood lies the matching numbers LS6 454/450 HP V-8 engine, bearing casting number 3963512, with an October 10th, 1969 (J10 69) date code and stamped pad T0112CRV Without time to track down all #'s for a chevelle 272 is correct for 69 396,i know ja is 69 396 325hp and i believe jc is 396 350hp,and poss jk for l78 396 375hp all for 69 but may have 350-375hp backwords for chevelle but they are chevelle 396 codes for 69,that i know. Intake 3963569. ENGINE CODES : 1962-69 : CHEVELLE * MONTE CARLO : 1970. The LS5 454/360 hp engine is not listed. (as shown on the webpage above) CTZ 396/350 Manual Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Where are you reading it? What is your entire engine code from the front right of the engine block's deck surface? Steve Quick Decoding. blm 130 Replies. ls3 tremec 6 speed conversion in progress along with a frame off restore. To date 69 Chevelle SS396 L78 4-speed, Post Sedan, Black W/black vinyl bench seat. This engine is currently in a '68 camaro. shovelrick 211 * The 402 cid LS3 was available in ANY 1971 Chevelle body style meaning it was not an SS-specific engine and 17,656 were sold in 1971 (excluding the Monte Carlo). A date code is also cast on the manifold. Chevelle, Camaro, Monte Carlo and Passenger 110, 145, 155 & 175 HP. Exhaust Manifold Casting Numbers . 90@113 MPH Casting numbers really don't mean much its a sonic test that needs to be done. Block ~ Casting number 3963512 * Bore ~ 4. 12. Not necessarily deep groove , standard will do . 1970 SS454 LS6 (nom) Mark 1970 SS454 LS6 (nom) TH400/4. Available as a package engine, (PN 3965774), This engine was intended to be used as a I just ran a search on the head casting numbers on the 350 in the '71. 1970. For example the 2,144 L78 engines sold in 1970 includes the 18 L89 optioned L78 engines. I am not a Chevrolet Guy, you may have better info. 19 intake, 1. D. (Nearing completion) 69 Chevelle SS 396 L35 Post Sedan, Silver, Blue bench, 4-spd (Sold) well George, i'm only as good my research since i wasn't alive in 1970. ; Cylinder Head: Some engine identification numbers may also be found on the cylinder heads, although this is less common. Chevrolet Big Block Cylinder Head Casting Numbers. Save Share Reply Quote Like. I'm sure you already knew that. Original, you need the original parts. Block was used in 1969 and 1970 but casting date is definately for a 70 model year as you state. 1970 Chevelle/El Camino/Monte Carlo VIN breakdown Then, there'd be at least two more casting numbers for the Rectal-ports used on the 375-hp engines--at least one iron head, at least one aluminum head. That's pretty easy to tell as the differential cover will have 12 bolts holding it on. 02 1. It is known there were 2,565 orders placed for the L35 396-325hp engine that would have been installed as an option in the El Camino, thereby leaving 965 350hp and/or 375hp 396 engines installed. The build date of the car is April of '68. blm 131 Replies. VIN number 10A111788. Just wondering if anyone has ever heard of a 72 454 block with a casting number that looks like 3989289. One of the numbers in dark is the shift The one source book I have indicates a casting number of 3964292, with a replacement number shown as 3964286. CCM: 8-396 HDC, 375hp. The Engine VIN Number is the last 6 or 9 digits of the vehicle’s VIN number. This number will help find or determine if you have the correct manifold for your application. RPO L78 V8 Exhaust Manifold Casting Numbers - 1964 through 1972. Casting Number Examples. 1966 283, 1967 283, and 1968 327 - June 21, 1966. 3509 posts · The casting numbers were The small-block family line was honored as one of the 10 Best Engines of the 20th Century by the automotive magazine Ward’s AutoWorld. Also, Fran Casting number 3856284 and date C 31 5 - March 31, 1965. Jump to Latest The engine has the correct VIN# and is CTX Code (350HP Mt). blm 135 Replies. It is an unstamped block but dated coded 1970. The VIN is typically located on the dashboard, near the windshield, or on the driver’s side door frame. Dealer Number/Zone; Block Casting - Small Block; Block Casing - Big Block; In 1970 the LS5 engine was the base engine for the RPO Z15 SS 454 Equipment option. Stamped numbers/letters are physically done after the part was cast. the casting number on the driver side of the block is 14015445. Team Chevelle Gold #50 1969 Chevelle SS396 L78 M22 4:10 Tuxedo Black 1970 LS3 Malibu 400 BB convertible 1970 LS3 Malibu 400 BB coupe 1970 Chevelle 300 series LS3 400 BB coupe, special order Monaco Orange 1970 Chevelle Concours Estate LS3 400 BB wagon Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. CCK: 1970 Chevelle Concours Estate LS3 400 BB wagon. Should be a 4 bolt main, early had tall distributor tower, later had short tower. Full exhaust, Pump Gas '87 Regal Limited Turbo T, Chip & Dual exhaust - 13. 77et with To further verify #s matching, you would need to look at the engine casting number, which is cast into the back of the block, typically on the drivers side, and faces up on a shelf back where the engine mates to the bell housing. Check the front deck stamping again. Top Contributors this Month View All. 1968-72 3973487 350 1. The L89 production numbers are not over and above the L78 engine numbers but are part of those numbers. dyno jonn. 00" * Same camshaft used with 402/375hp engine * Casting number 3904366 * Part number 3904362 * Mechanical lifter 1970 Chevelle SS396/SS454 1964-1972 Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Look for a VIN derivative stamping on the pad by the oil filter; that would tell you what model the engine is from. It has an engine casting of 3970014 which was for camaro only supposedly. GenVI Marine. Essentially I am finding variations in their forms for the 69 Chevelle SS 396 engines like this, 325-350-375HP L35 L34 L78 L89. S. 1970 chevelle 70 SS COWL TAG DECODE needed. (402 ) currently. net: 1964-1972 Chevelle/El Camino engine stamp examples. If I'm not mistaken, I believe the date code is hidden under it. Casting number 3856284 and date H 17 7 - August 17, 1967 * Casting number 3969811 and date K 11 9 - November 11, 1969 (found on December 1970 LS5). Baker; Aug 22, 2006; 9 Non oem 68 SS Chevelle engine ID CE block journey. Jump to Latest 9K views 8 replies 3 participants last post by mrmuncie Feb 11, 2008. I purchased a complete motor today, carb to pan knowing the casting and heads were somewhat rare. shovelrick 264 The casting date is G 31 72. Bench Racing Performance Engine Chevelle Tech Body Shop. #6 1970-75 Chevelle & Monte Carlo engine codes decoder reveals the code prefix, engine performance, displacement, configuration and stamped location. I found that people have claimed casting numbers of 14015445 is an LS6 block, but many many other resources say that if you dont have cast number of 12561168 then you have something else, maybe LS1. The suffix denotes it as correct for '69 Chevelle 396/375, 3 or 4 speed, special high performance, and 4-bolt main, though your date code seems off. The water pump was on the car when I purchased it and has the correct casting number 3969811 for a 1970 big block. 6 No information on combustion chamber size, or applications. 346248: 75-77. My 1970 SS454 LS6 SuperCar certified stock appearing 11. On 4- and 6-cylinder engines, the code is stamped on a pad on the passenger side of the block to the rear of the distributor and above the fuel pump. 1970 Chevelle SS LS6. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block Engine Specifications: 454 cubic inches 450 horsepower @ 5600 RPM 500 pound-feet torque @ 3600 RPM. DE-LM1/L48 350 engine/L35 i dont have part numbers for power steering pulleys hope this helps, take care Andy . Chevrolet Smallblock V8 Casting Numbers The info I have is only up to 69. 454 Chevelles did not start production in SEP, much, much later so the G casting is not working look on the side of the block on the trans flange by the oil filter for other markings. Asked if he could pull the pan and he indicated he couldn't because of where it's stored now. or be machined with a large bypass hole to be used on large Chevrolet Trucks. I believe the casting number is "3970014" however it looks like 8970014 which doesn't seem to exist. "What does LM1 L 170 4 f a b x/nova mean?" Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. 1972 Chevy K5 Blazer CST Highlander. While sales numbers are not shown by GM, one can calculate the number of LS5 Chevelles by subtracting the number of LS6 engine options (4,475) from the total RPO Z15 SS 454 Equipment Heads Casting number (oval ports), one head = 3831068, the other = 3964290 The 290 head belongs to a 1970 400,402, or 454. typically 7 digits. I can't seem to locate a page tells me exactly where on the engine block the number is that represents the last six digits of the VIN number. 645 posts · Joined 2005 Add to quote; Only show this user #1 · Feb 9, 2008. 1970 Chevelle/Monte Carlo Production Numbers by Series/Model Rear of block, casting number 3963512. GM of Canada documents indicate Re: 454 casting#8963512 Tempting for sure but if it has a spun main how much are you potentially looking at in machine work (assuming it's fixable). The heads have the numbers 3993820. Home This one produced in 1970 at Tonawanda with engine serial number 67997. Jump to Latest CKP is a 375 horse 402 out of a 1970 Chevelle that left the factory with aluminum heads. C. "Main Caps" is the number of bolts holding the cap. (3955287) comes back as a 1970-71 402 330hp cast iron oval port with a quadrajet carb. Riveted oil splash shield. used on this website and in the depths of people's minds Engine Stuff * Alternator Numbers/Dates * Crankshaft Casting Numbers * Cylinder Head Casting Number by Year To identify a Chevy 396 engine, check the casting number, suffix code, block date, and partial VIN. Casting number 3969811 and date I 1 71 - September 1, 1971 I just had a look at the casting number on one of my cylinder heads of my 1970 350. De-coding cowl tags and vin numbers. 1970-1972 ~ Variations of casting number 3969278 * Engine RPO code and size following the rear axle ratio are taken from build sheets and/or Protect-O-Plates and may not reflect the only engines the rear axle codes came with. BBC Exhaust Manifold Casting Numbers Cast # Years Side CID Applications 329225 1973-76 LH 454 3880869 1970-72 LH 454 Corvette 3883999 1966 LH 396 325, 360, 375 3884504 1966-67 RH 396/427 325, 385, 390 Bench Racing Performance Engine Chevelle Tech Body Shop. 1970 Chevelle Short Block Engine, Big Block 396 - 375, GM Original PART NUMBER: 3969854. On the intake i found casting number 3964297 hi perf Broadly recognized as a pinnacle muscle car, this 1970 Chevrolet Chevelle SS LS6 454 ruled the roads in its day, packing an unmatched combination of raw power and style. Any help is appreciated. near that is a casting date, something like G-10-8 or F-11-77. Chevrolet. All 70SS cars had a 12 bolt rear end (not 12 volt). I understand this block started production in September of 1968 according to Chevrolet by the numbers book. 7K Sep 13, 2024. Hi! I have a 272 L78 block that I'm rebuilding. Top TO407CTX. The other head I can't find at all. Andy 1969 Baltimore SS Chevelle I agree with other posters that June was probably the last of the #272 Blocks. M22- 4. shovelrick 210 Replies. We love Muscle Cars Casting Number: Years: Engine Size: Carburation: Type: Notes: 336789: 1974: 454: Q-jet: Iron Oval port: 235, 270Hp 1967-1970: 396, 427 & 454: Left: Chevelle, Camaro and Nova With 325, 350 A total of 82,845 6-cyl engines were installed; 39,762 230cid and 43,083 250cid engines. (3) Letter Suffix found on VIN tab located on front side of passenger Head. I'm looking at purchasing a 1970 chevelle with a 502 big block chevy. 262, 350 Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. 1970 Chevelle/El Camino/Monte Carlo options cost 1970 Chevelle RPO Production Numbers/MSRP 3969278N is the casting number for 1970 and 71 12 bolt rearends. Forged crank with 6223 casting number and 3/8 dimple rods. 78 60' '75 Laguna S3, 454 HYD Roller '72 Buick GSX Clone (looking for a 455) 1970 LS5 engine casting marks valid? 1972- Malibu, 350. casting number 3963512 and on the passenger side B 24 70 . net Supporters: Big block V8: 396, 402, 427, 454 Small block V8: 265, 283, 302, 307, 350, 400 >> Big block >> Small Block >> 1965 - 1972 Chevelle Specific These exhaust manifold My 1970 SS454 LS6 SuperCar certified stock appearing 11. thanks for any information . There should be a casting number, and a date there - that date should be somewhere from 1-4 weeks prior to your cars Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Had no problems and ran the snot out of it on the street/drag strip for 13 years. Reactions: trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint Chevy V8 Casting Number Locations Chevy V8 SBC Block and Head Casting Numbers Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Chevy V8 Notes SBC Crate Motors BBC Crate Motors SBC Cylinder Heads Holley Carb Hello, I have a 454 engine in mij chevelle and i need some help with the casting numbers i found on my engine , intake and heads. May be hard to see with the firewall and wiper stuff. Suffix code JQ is not even a 'correct' suffix for a 69 Chevelle even though it may have been in one. 1970 Chevelle SS 1970 Olds 442 Survivor Bench Racing Performance Engine Chevelle Tech Body Shop. shovelrick 196 Replies. Also used from 71-73 in Camaro (71) and Corvette (early 73) as well as Chevelles in 1973 engine casting numbers. So there's no way to even remotely guess or calculate how many of the LS3 engines went into SS-optioned Chevelles, much less how many went into convertibles. They are 3973487. As per GM information this engine was manufactured between 1969/71. 10, Forest Green, Green buckets. Could this be a 70 or a 71 model engine? I would be glad to know, because in "70" the horsepower was higher. But i have obviously not seen every bbc motor built in 1970 either so i guess you never know what may Red 1967 Chevelle SS 396, 4 speed, 3. TH350- original motor car, #43 Gulf Green. 1972- Malibu, 350. 31 12 bolt posi, black bench seat interior, Bolero Red - long term restoration project I do recollect the 1970 and up HP engines and crate HP shortblocks 427 and 454 afterward getting the 7/16 units. I have seen quite a few 454 OEM blocks that would not be safe at . Your numbers are terrific! Did you really mean a long block for $1000? 350. The casting-number main case for 1970 Chevelle SS with RPO M20, M21, and M22 manual Here are the pictures of the casting number for the block. 1969 Chevelle/El Camino engine photos Yes, the 1970 L-78 uses the same intake. My 72 Parts books show the calipers to be the same for 69-72, but the number is different than in the 69 parts bookso there may be some inconsequential change over the 4 year period. Casting number does show 1970-1976 454 CPA was used in 1972 Chevelle 454 270 Manual 4bbl and 1971 Monte Carlo 454 365 Manual 4bbl I don't see any LS6 engines with the CPA code, where did you Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. #19. Tonawanda 1970 April 7th day. 31 12 Bolt) I'm looking for a girl with a car, and a house. CKQ: 6-250 T/H, Taxi& Police. My 1970 LS6 car currently has a May, 1973 3999289 block that has 4 bolt mains and was likely a warranty replacement as the rest of the engine parts are original It was special in that it was used for both 427 and 454 engines, 1969/1970. 3840905: 1964 1965 Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Oval Port truck crate motor 118cc chambers. 3970014 3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main i had a 72 chevelle way back,original engine L65 350. Same casting number, 2 completely different parts with different part numbers. There is a small splash shield on the bottom. Save Share Bench Racing Performance Engine Chevelle Tech Body Shop. I was wondering is there any other way to identify the motor? I drove it and it has tons of torque but due to my lack of expertise The casting number on the back of the engine on top of the bell housing flange is 3969854. To correctly identify a Chevy 396 engine, you’ll need to locate and decode several different types of numbers stamped or cast on the engine block. On my engine i found casting number 14015445 at the back but on the side near the exhasut i found GM 7. Is an A/C car.