Gm casting number identification Engine Casting Number. all it says is hurst competition plus and a single patent number. But the other numbers don't match the extension or sidecover casting numbers. Type. and here. 56:1 and down, 2-series, 1. I plan to bore my 283 to a 327 s/j some day. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. 530" deck height: 2. Four bolt main blocks are desirable in high GM 8. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. We have detailed instructions about Chevy casting number locations and extensive notes about Chevy "mouse motor" and "rat motor" V-8 engines. ) Unfortunately, the ink stamp numbers were never considered to Volvo Penta GM V6 The serial and engine number can tell us a lot about you Volvo Penta marine engine. "Main Caps" is the number of bolts holding the cap. With a casting Identify specs, details, and identification information on Chevy and GMC 4x4 front axles. Can anyone help me find out the meaning of the casting numbers and axle code. 0L engines (373 and 873 head casting numbers) Desirable Gen III Truck Engines: LM4 and L33 5. Discussion in 'The Hokey Ass Message Board' started by HanzMada, Apr 9, 2023. Make sure your crank will work in the block you have. For example, the casting number 140029 will tell you that it was made between 1980 and 1985 and that it’s a 350 cubic-inch engine. 2" ED32118 : 2: 2. 10 & up; GM Carrier Casting Numbers. 125/1. This will show you how to also look up the The casting number for a 1949 216 block was 3835253. 1st Number = GM Division 2nd Number = Production year. The casting number appears to be 1407*2*7 where the *'s are either a 6, 8, They are on a circa late 70's GM goodwrench crate engine. Hello, I just picked up a decent GM Goodwrench engine, casting #10066036. 23 & up; 12-Bolt Passenger - 2. If you suspect your engine to be original, the GM Heritage Center will provide you with an online package pertaining to your specific vehicle complete with letter/number combinations. NEW PROCESS 4500: 1967-72 Heavy Duty Trucks: Inquire Same design as NP435 but is fully synchronized. 10051103. Good Luck jim . Comments. SBC Head Casting Numbers. Two types of crankshafts are offered, cast nodular iron and forged steel. Flywheel #3704831 • 1954-’55 cars and trucks with 10-inch clutch . In 68-69 model cars, Cast iron heads on 1999 and 2000 LQ4 6. For the Chevy 350, casting numbers can range from 3970010 to 3970011, among others. A "two-bolt" main, or a four-bolt main. LIBRARY Home GM Index. Pontiac engine identification numbers, including engine codes, block casting numbers, and date codes, help determine an engine’s originality, displacement, and production year. In most cases these numbers can be used to identify the year and application the carburetor was originally used on. #471598 is the part number I 1964-1966 283 block casting number 3849852. 12480005. 336707: 74-78. com. of Splines. Compared to the Ford 9-inch, Some of these flywheels were used on models from the mid-Fifties up into the Eighties. We’ll walk you through recognizing The pile of parts included a cast-iron water pump with GM casting numbers. GM Fast burn 62 CC 210 CC intake runner angle plug Vortec. The pad has no vin and has F0429YS. The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other information will fall into line with that. 7. 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. In and after about 1968, stamped numbers were used for Quadrajet Carburetor identification. I actually went through several lists and made some corrections before making this list. 5001 Technical GM Inline 6 Identification. 4-Brl. The code on the trans. See if the 'engine id number' is still on the front pad. And you can check dates. The whole powertrain has been swapped around in the car so i have no idea where any of these parts originated from,the motor was a 65 396 and the trans is a 68 m-20. Casting Numbers to look For. I. Save Share Rear End Identification. The patent that was originally filed on November 29, 1957, for the T10/Muncie design was approved 5½ years later on May 7,1963. Casting No. Casting Number: Years. Members. I have tried to look these numbers up and I can 3707306 GM . 76 & down / 3. 1966/1967 396 block casting number 3902406. You've got a 1974 350, likely a 4-bolt main as it was Differential Identification Codes. What's new Latest activity Authors. Last 6 Digits = Equal the last 6 digits of the vehicle’s VIN. Oval Port. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. If you have any documented info that can be added to these pages, please contact me and let me know. Cast number = 3858174 has small plugged outlet by the water pump which says it's not a Vette. That's it! so many options!!!I can't tell Chevy Six Cylinder Casting Numbers Engine & Drivetrain Register or Log In To remove these I have a 69 c10 step side. The two letter code was used at the GM assembly plants to keep different part number gears separate. your block # is 65- 67. New media New comments Search media. ; Cylinder Head: Some engine identification numbers may also be found on the cylinder heads, although this is less common. If you already Apr 12, 2014 The first place to start when researching information on an engine is a list of GM casting numbers in the appendix. A GM Heads - Identification. in. Flywheel #3739423 Chevrolet Small Block Head Casting Numbers; Casting # Combustion Chamber Size (CCs) Intake Valve Exhaust Valve Production Years Misc. Trying to see if it's the 250CI Im trying to verify my numbers/facts before looking at a possible purchase. 5:1/76cc Dish P Cast This block casting number has been used in various Chevrolet V8 engines over the years, and it’s known for its versatility. I was wrong about the casting number. Flywheel #373919 • 1958-’65 trucks with 13-inch clutch . Media. Gm block casting number Hi will, my book tells me that all blocks from 59 to 62 can be bored to 4 in. 8239 posts The 3707306 casting number is a ONE YEAR ONLY for 1956, on the driver side of the case. Engine Size (ci) 10033867: 62cc: 2. Decoding the VIN Number. 87-89. 60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101: The Bill of Material (BOM) number is used to identify Dana differentials. 0. The block is 3914680, Could be 3914660. These casting numbers were used from 1957-1961, so you can not rely on them alone to know if your differential is from a 1960 Chevrolet. D. You will find a 6 or 7-digit number here. engine. «ÿÿ¨ªªªþï P‡»¤uU¸{§©ºªÚî ù2"·èŽÈŒÎˆÊZâ'øW7 7Ór5U+U5÷ðŒŒ†9Üÿé ü ¿ŒßoRñ N ‰µI:Ó£Í-(‰D"#‘H é k‘‘‘-G®\ù¼ì™}ÿ[ý k• g;•" "žYû?æ§ g/ß~¾¼ÿãö ôaÐç?½8ëà AKÓÕ šèü§³ e{þ àlÀ ¡é¥ó êh [RF° p6` `ä€u´Wx 4Ö 4¡Ž ª }Ýâ^5H ª } ʨ ¤&¾‘ k nø[µ2;p¨ëht¨l#è nëhyiM@ –ï ~ye º{Õõ SBC Block Casting Numbers. I was told this came out of a 1969 C10 with 6 lug axles, but can't find any information to confirm this. Small Block Chevy Identification Guide. 336706: 74-78. Number Year Engine Valves Details; 10033867 : Over the counter Pontiac 23' head, 62cc, angle plug, 196cc intake port, aluminum: There are three block casting number types to look for: the block CASTING NUMBER, the block CASTING DATE and the ENGINE ASSEMBLY DATE/SUFFIX CODE. 10066013. 0L engine with flat top pistons raising compression to 10:1 GM Manual Transmission Identification? 3925656 is the casting number for the saginaw used in 68-75 at least. Are these the correct casting numbers for a 69 302 Heads: 3927186 Block: Before April of 69 3956618, After April 69 3970010 I just took the motor and trans out of my 67 chevelle and want to identify what flywheel and bellhousing I have. 90 / 4. Again, we would probably toss this aside in favor of a modern replacement, but it never hurts to check those numbers. Chevy distributors have casting numbers and casting dates, which can be useful if you are trying to The case number is 3863191. You will need to combine this with the Casting Date code Chevy V8 Crankshaft Casting Numbers. 2 bolt mains: 330817: 400: 75-80: Truck: 2 bolt mains: 355909 For instance, the casting numbers 14016376 and 14016379 are specific identifiers for GM 350 blocks, which can reveal crucial information about the engine’s design and potential application. The engine casting number is perhaps the most important identifier for a Chevy 396 engine. Timing Cover: In some models, the timing cover Small Block Chevy Intake Manifold Casting Numbers Years Casting CID bbls Material Carb Application 1974-76 340261 350 4 iron Q-jet A B F X/160,185,195,245,250HP 1973-81 340266 305,350 2 iron - A B F G Small Block Chevy Cylinder Head Identification Small Block Chevy Cylinder Head Identification : Chevy Cylinder Head Casting Numbers : Years: Casting# CID: Intake Exhaust: CC : Comments : 1971-75: 330545 307,350 1. Still hoping for some casting number identification assistance, High Feature V6 (3. If you are putting a "medium" journal crank from a 350 into a 400 SBC block you can use "spacers" or "thick" main bearings. Chevrolet Big Block Engine Identification – Casting Number and Codes locations. Casting numbers near the distributor are "F1210PV" - couldn't find any info on PV rpo codes Block number is "3850817" which comes back to 1962-1978 230/250 . Save Share my Saginaw #'s case GM 392565, tail shaft 352254, on the ground flat 2A7594769 additional #'s 073 AFC 6 and GM6 three groves on the input shaft, I'm going to put this behind a rebuilt 327 SB at about 220 horsepower in a '63 Impala Sport Coupe over the winter Casting Numbers: The casting number is the primary identifier for the engine block. Here's a list of Chevy V-8 crankshaft casting numbers. 336781 Mark IV, oval port, Chevrolet Big Block Engine Identification – Casting Numbers, Small Block Chevy Engine Identification Menu: Engine Summary | Engine RPO | Engine Blocks | All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. 73:1 and up, 3-series, 1. We make service and repair easy when you use our online resources and expanded views. 12-Bolt Identification. We have included some of the original casting numbers for easy reference. Casting number is C-9XXXX. 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. , so I don't know if it's a 305 or 307 cu. 3rd Letter = The assembly plant. Casting Number. 3L engines which have an aluminum engine block; LQ9 6. 1967/1968 396 block casting number 3916323. RH. Casting is located above side cover, on trans. C1 & C2 Corvettes - 3756519 engine identification help - Does anyone have any thoughts on this casting number, casting date, and engine stamping? Are they from a 1960 corvette (VIN # is 00867S107080)? The Use these casting numbers to identify the crankshaft you have. They are TYF705125 and V1015TMM. The casting number is probably the most significant feature on an intake manifold. VIN Code. Gen 1929-1932 car identification from the Filling Station. RECTANGULAR PORT - Valve size 2. Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. GM 6 Cylinder Engine Identification Guide. 88 exhaust if you're in a part store where one look at that caliper doesn't identify it as a GM caliper, you're in the wrong store :yes: most good, full-service auto part stores should be able to identify that caliper by the casting number. TC #5238 AACA #994801 70 Chevelle SS LS6 M22 37K original miles Cortez Silver Arlington Selecting the proper camshaft is crucial if you want to improve the performance of your GM engine. Block Casting Number. Chevrolet. Chevrolet Big Block Cylinder Head Casting Numbers. This matches up as correct for 66. Mortec also has information on Chevrolet V-8 bore and stroke numbers, GM crate motors, Holley carb tuning tips, and crankshaft journal sizes. Along with shop manuals and replacement videos, Torque King 4x4 is the number one resource for Chevy front axle differential identification charts and tools. 02: 1. These numbers help determine engine specifications and compatibility with other parts, such as cylinder The Chevrolet big-block is a visibly larger series of Chevy’s V8 engines that were developed and used in the 1950s through the 1970s. The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. 3970014 It doesn't seem to be a very popular number. Forums. My question is will it probably fit a 65 el Camino. GM of Mexico: For a complete list and breakdown of How to decode Chevy Engine Codes and block casting numbers : Chevy Engine Code Information GM of Mexico : The vin code format is stamped onto most engines. Remember,I'm not making this stuff up! Yes, they are single piston calipers. The story is that it came from a 67 ss chevelle, I got casting #'s today. Engine. Number is located on side cover. '69 Camaro Dart 400-AFR 195-224/224 HR-Powerjection III TB with F. Also, the numbers are specific to the size of engine in the Corvette. Also has a stamped number BA 317 and also says GM 8. Dia. The new and improved 1950 block (casting) has the relocated main oil gallery that bumps out farther and is located slightly lower on the left side of the block. I hope it helps you identify the Chevrolet engine parts you are working on. It might help to find the valve size. Reactions: defilade. If you notice any mistak Chevrolet engine casting numbers are unique identifiers stamped on engine blocks for identification purposes. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. check here for identification help. 625. Thanks in advance!!! Save Share Reply Quote Like. What Are The Alphabets Beside The Casting Numbers? Individual letters like “GM” or “CFD” for the Central SBC Block Casting Numbers. Identifying a General Motors (GM) 6-cylinder engine can be done by examining various key features, including casting numbers, engine codes, physical characteristics, and production Main Case Casting Numbers . I am planning on putting it in my 86 k20. Small Block Casting numbers 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. Tech / General Engine - Please help me identify casting #14093638 - I have this long block in the garage. Sort by Oldest first Oldest first Newest first Most reactions. GM 3925656 (or 3925856, casting is rough) on the side cover, driver's side: GM 6261888 there's no damned numbers on it. 350. The D56 is the CASTING date for Apr 5, 1956. 3970010. Vin Plate: The Vehicle Identification Number (VIN) can also provide clues about the engine. The later ones used the part number as the casting number. The engine code and partial vin # will accurately nail down whatever the thing is rather quickly, and the other I know that Chevy Casting Numbers are on several sites on the World Wide Web but I thought it would be a good idea to list them here too. Aluminum Bowtie Single plane. Just bougt a fixed up 350 with casting nr 3970010 with 4 bolt mains, is this a LM1 or something else, Mikes page says a LM1 with casting number 3970010 os Home. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. SEARCH cast numbers. 5" 2. The large flat area on the main body just above the secondary throttle shaft has a series of numbers stamped into the casting. Some owners have difficulty identifying the exact model of their engine or the year it was produced, while the answer was coded inside the serial number and engine identification all along. 1929-1954 Model Serial Indentification from Keeith Hardy's OLD ONLINE CHEVY MANUALS. B. LH. I was told to get the numbers from the flat panel on the "passenger" side and I did. If you have some information you want to share with us and our visitors, stop by the Forum and leave us a post! Right now we are limiting the listings to Chevy V-8 blocks, cranks and heads. This block was discontinued in 1951 and if you bought a new block for a 1949 you would get a 1950-1951 block with casting #3835497. One source says it's a 327 from 1966 or 1968 Chevy of some kind. accueil engine code. 283’s, 327’s and 427’s all had their own casting numbers specific to individual years, so for the process of documenting a Corvette engine, the GM Engine Identification. The Head Casting number is located outside of You can decode the casting number. Choosing a GM camshaft identification number with so many available can be difficult. This may be a 3 speed overdrive? THIRD TRANSMISSION. 531092 or 631092. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. The casting number is GM 3840383 which is supposed to be GM part number 3858403. Much of the First-Generation information was obtained from Mike Boteler. When it comes to GM muscle cars and sports cars, the 12-bolt axle has been the top high-performance axle assembly for decades. GM Canada casting codes and serial numbers 1916-1984 from the 1937 Chevrolet page. 137; number-3, 138; number-4, 137; number-5, 137; and number-6, 138. Use these casting numbers to identify the exhaust manifolds you have. The Gm Differential casting numbers. Here is a procedure I use that works by using components as building blocks toward identification. Years. (I'm assuming up to '67) used the identification number as the casting number. The heads have the camel humps. 5" - 3. I looked at the casting numbers and all I get is: 350 cid 2 or 4 bolt main 87-95(altough I got it from a '92 Chevy Truck) Roller or flat tappet cam One peiece rear seal. Jump to Latest Casting number is 3707306. the casting code on the block is 3981968 then GM and the number 50 under that. 72 1. 5001 74 1971-73: 330862 400 1. 1964/1965/1966 283 block casting number 3834810 casting date B 21 6. Pops @ Tri-5. Year: Vehicle Application: Notes: 330817: 400: 73-76: Pass. Series Gearing ; 10 bolt 8. The VIN is typically located on the dashboard, near the windshield, or on the driver’s side door frame. Thankfully, Chevrolet used 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 1965/66/67 Chevy II blocks #3790721 and 3791362. We are always looking for new castings numbers. 346. 19 intake, 1. Sorry. Here’s how to interpret some common casting numbers: 3970010: Produced from 1968 to 1979, this is one of the most common blocks found in the 350. Save Share Reply Quote Like. No. Blocks were made for each crank main journal size. The #3970010 block casting number is for a 4. Jump to Latest a 68 would have had a casting number ending in 533 and a 4 piston type. thanks . atch, Oct 13, 2005. So bottom line: Double check the date code from back opposite the casting number, recheck the casting number itself and get the suffix from the passenger front of the block. Exhaust Manifold ID. The placement of the casting numbers on an 8. 720" deck height: Want to save and print this chart for your shop? I have a posi assembly with the casting numbers 410409N and a GM2 on it. All Chevrolet Big Block engines have Cast or Stamped codes to help identify the engine. 57borntorun. New posts Search forums. - Date Casting Codes THM200-R4 - Used in GM rear wheel drive cars with the 3. GM P/N: ENGINE. This # doesn't match up to any #'s in my guides. Can anyone translate? Save Share Reply Quote Like. 08 & down / 3. case. Many engine blocks of the same generation look alike. These numbers, usually found on the rear part of the engine block or by the timing cover, serve as a historical and technical fingerprint. 94 : 1. Use these numbers to identify your stock Chevy intake. 2-inch 10-bolt varies by year and model. See New Process 435 for more information. 1965/1966 396 block casting number 3855962. 20"- GM rearend carrier breaks. Flywheel Identification. Head casting is 8947040 with the date code B17/8. I did a quick check and found 3. 5" stroke and 3. Corvette Base MASS air 9th injector style Aluminum heads (86 and older) 10077151. 6L) (2004–present): A modern, efficient engine used in cars like the Cadillac CTS and Chevrolet Traverse. I have a chevy 350 engine with Casting No. 07 to 3. There are no brass synchro rings. 1990. CR/Chamber CC: Dome Type: Pin Type : Material: Usage: 12514101 350 8. Number Year Engine Valves Details; 10033867 : Over the counter Pontiac 23' head, 62cc, angle plug, 196cc intake port, aluminum: One of the heads has what appears to be a 376450 casting number. You can decode the casting number. From what I've read, this engine is a replacement for 71-85. X3845157 GM. pan is T0914N. The tailstock casting number is 3863192. Partial VIN (Vehicle Identification Number) Let’s break down each of these areas and explain how to locate and decode them. 00" bore block, so because of that block casting number and the 4. 75" bore that yields 309 cu. 1966 396 block casting number 3855961. This How to video will show you how to find or locate the casting numbers on your small block chevy engine block. I suspect they are from a newer GM car - possibly 70s vintage. CID. (It was much easier to glance at a two letter alpha code than a 8 digit part number. 8 V6, 305 & 350 Olds and 301 pontiac from 1981 to 1989. (Vette should start with "V"). burnt olds. First Style '55-'64 - All GM cars; drop-out style: 8. 88 exhaust GM’s High energy ignition (HEI), designed and built by the Delco-Remy division of General Motors starting in 1974. Chevy exhaust manifold Identification - Chevy ramhorn casting numbers, Big Block chevy exhaust manifolds. Any info on what this is from would be appreciated. I just pulled this small block from my 1940 Ford street rod and am anxious to begin my first engine rebuild. General Chevrolet Transmission Identification - Casting numbers on the case, extention housing and side cover (on manual trans). GM 3. So you probably have found the casting number you were looking for. BUT the casting number "3903352" shows up as a 1967 327 block. The bellhousing casting number is: 8742257 and the flywheel number is The casting date is G 31 72. Casting number is C-9XXXX accueil engine code. Axle Type Casting No. It's important to All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. Traditional BOM’s are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. 60931 posts Positraction Case Casting No. These numbers are crucial for identifying specific engine configurations and verifying whether the engine is original to the vehicle. The “140” prefix in the casting number indicates that it’s a small-block V8, and the “0202” portion is used to further identify the specific variant. Joined: Apr engine was not original to the truck. 764 posts BELL HOUSING CASTING NUMBERS Please refer to this chart to match your Chevy bell housing casting number to our corresponding part number. The vehicle identification number is stamped next to the engine code number with model year, The synchro's are aluminum ring/pin assemblies and 3-4 has "pie plates". I've checked chevelle restoration guide and my ss396 chevelle fact book CD as well as google and they don't show that number. The flywheel is something Search intake number. . Differential casting, GM54 and NF3896838. Side. 2. Can't see the casting date. Thanks, 327 Casting Numbers. 305/350. Sonic test is the way to go. 00" bore that eliminates the chance of it being a 305. 1967 327 block casting number 3892657. 73:1 & down: 10 Casting Number CID Main Bolts; 330817: 400: 2-Bolt: 346236: 454: 2-Bolt: 355909: 262: 2-Bolt: 3703524: 265: 2-Bolt: 3720991: 265: GM; OEM Part Numbers; Part Identification; Follow Us on Flipboard chopped 4″, and 68 brake caliper identification. I was told that all I need to do is change out the flywheel with an aftermarket one. All gears, including reverse, are helical cut. 3814660 for 1968 to 1969 models with 250-hp engines; and 3830944 for 1963 models with 300 hp. Casting # C. Like Cobalt said, it is very easy to mistake a 6 for an 8 in these castings. TPI. GM Production of the Chevy Big Block engine began in 1958 with the Mark I W Series and ended with the Gen VII in 2009.
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