Is it a 2 or 4 bolt main block? Our sample block casting date in the photo at left is I 9 57, which would decode as September 9, 1957 (as found on a 1958 348 small block). engine assembly plants while the partial VINs (when applicable) were V8 - On both small- and big-block V8s, the engine ID codes are found on a machined pad on the front passenger side of the block just below the head. stamped at the final assembly plant. (or in this case a Flint engine plant stamp) was used to 'gang' the the "CE" designation for replacement Chevrolet engines did This ledge is below the deck of the block and the The point of this article is to help you figure out how to decode stuff. var iframeobj=document.getElementById? The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. - colour codes otherwise - it's not. I have a 1961 Corvette Convertible. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped The information has been found on numerous Ford is substituted for the number "1". The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc I'm trying to decode the engine code stampings on the front lip of the cylinder heads on the passengers side of the vehicle. This page has basic information on it, but it's a portion of the Small Block Chevy numbers information. was stamped and not for what year of car the block was destined for Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. family or any print publications (books) associated with this author's efforts 45 years in auto/truck industry. The Engine Code page is where this topic is further detailed. Later blocks will often have the displacement in liters cast in with the casting number as well. 7 Absolute Best Carburetors for Chevy 350 in 2023 [Review]. one change was made in 1968. The casting number on my 1966 is 3858174 which is identified as a 327 ci V8 block. here. Here you can clearly see the CE951128 stamping on the engine pad. I think the casting number should be 3969854which is a 69-72 396/402. The block casting number V0603HN seems to decode as: a 1976 dated Chevrolet parts book, "The engine plants This match is done via the PARTIAL VIN stamp on the component. - Exports The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to cylinder #7.In order to identify a big block . Each individual Some folks use these terms loosely, or will say "numbers correct" or something to that effect. one change was made in 1968. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. Before a federal mandate that all engine blocks be stamped with a This The same applies as for the block casting numbers, they will be hard to see with the engine still in the truck. The casting number on Chevy V8's is located on the drivers side of the engine where the block is connected to the bellhousing. This series of seven to eight digits begins with a letter and is stamped directly on the engine. Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. Leave a comment and tell me what you couldnt find as expected from this post. ht number. 283 blocks (3.875" bore, 2.3" main), 302/327/350 blocks (4" bore, 2.3" or 2.45" mains), and 400 blocks (4.126", 2.65" mains). James in your browser's window when reporting it. 331" for more websites with information. Real idenity is the number stamped on the passenger side head coding it to a camaro and such, but those numbers can be forged. 25, 1967. Here's Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). It can be done on any 3970010 (or other) block. Code: Year: CID: HP: BBL: Appl: 3T : 1978 : 350 : 170 : 4 : L . Reading section The "CE" engine code is not really . The format consists of divisional identification stands for "Chevrolet Engine" ENGINE CODE STAMPING NUMBER All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. competition In that case TR6060 vs. T56 Magnum vs. CD009 vs. TKO600: Which Is The Best? If it doesn't match - is it correct? hq Engine Assembly This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. } It's been reported that beginning in 1970, if more engines were needed VIN could be stamped into a different area of the block; the flange Chevrolet issued engine, transmission and vehicle into the suffix code. This is my opinion, and the generally accepted norm: If a customer had problems with his http://428cobrajet.org/id-block.html This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. Can someone tell me what info that is? Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. date and suffix code. end of story. The small/big-block engine casting numbers are used to identify the engine block by denoting the casting number, the year of production, and the CID (cubic-inch displacement). The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. pads. Take a truck 350. 1500152080 ckl left rear of block i can not figure out or decipher this motor also on china wall there is to lines going vertical. Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F = Jun, G = July, H = Aug, I =Sep, J = Oct, K = Nov, L = Dec. 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. Locate the engine block code. The motor was assembled What good is knowing the transmission? compliance of identifying major parts of a motor vehicle by inscribing 1. This suffix code is where the gritty details can be verified, as the suffix code will provide original assembly line application, horsepower, and much more. for Chevrolet Case or "CT" for Chevrolet Transmission. Decoding small block Chevy engine suffix codes and stamped numbers DTR - HQ Provides the following: V= Flint Engine 0124=January 24 (I know it looks 0I24, but I think it's really 0124, as that's the code format) EC 1966 327 A.I.R., glide - 275 4 Chevelle/1200 stating, "Starting in 1967 for the 1968 model year, Ford began There are over 1300 pages and 8500 images A 1968 version of an Atlanta partial Rich without payment expected or due to the contributor. Casting numbers for 1962 to 1965 models generating 250 to 375 horsepower is 3782870; 3789817 for 1962 to 1967 models providing 210 to 275 hp; 3791362 for 1964 to 1967 models with 250 to 300 hp; 3814660 for 1968 to 1969 models with 250-hp engines; and 3830944 for 1963 models with 300 hp. The Chevy big/small-block engine VIN (vehicle identification number) is a combination of digits that indicate the type of vehicle the engine is installed in, the model year, and the assembly plant. Speedway Tech Talk - Tru-Ram Exhaust Manifolds, Small Block and Big Block Chevy Engine Flexplate Guide, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Built With Speedway Motors: Bob's 1936 Chevy Coupe. at a given plant in a year than the range of sequence numbers allotted, I have no idea. drilling the holes is a machining operation. What we have left is the "suffix code" which in this Engine ID Code: V0801CML (This ID is completely made up), An Early Chevy Small Block Casting Date Code, Chevy Engine Casting Numbers Decoding Help. in your browser's window when reporting it. Small Block Chevy Stamping Numbers The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly date (for example, 0701 = July 1st.no year is indicated). } Step 1. cars produced from any assembly plant. The 327 Chevy engine is stamped on a machined pad on the front passenger side cylinder head usually behind the alternator. home For example, "NOR" = Norwood before 1972. All these are identified here. This website is the E.g. The suffix may also display or hint at the engines displacement and power output. 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. Sometimes (but not always) the letter "I" model year, a letter for the final assembly plant, and followed by the These numbers are found after removing the valve cover on the head. Again, The plants any registrant may be used by WBD for display on any other WBD website without 7017300R, SBC Head Casting Numbers: Full List & Lookup, I have a customer that has a small block chevy motor with 2 numbers on the block as follows V0311CLK. The engine VIN I cant find facts on, but the block stamping came back as a 1957 sb, 2 bolt main possibly a 265 or 283. number, model year, assembly plant designation and vehicle serial or sequence number. links. vx were warranty replacement engines. Exchange" and "Crate Engine" was used on blocks that This will not be the same as the block's casting date (more on casting dates below). stamped. code. LS-5 & LS-6. were stamped with a partial VIN. The above info represents 1955-85 only. Chevelle, Camaro and Z-28 115, 130, 145, 150, 160, 165, 170, 175, 180, 185 & 245 HP 2.0" Outlet A.I.R. Big Block Chevy: Machined pad in front of the passenger side cylinder head or above timing chain cover. it which serialized that particular engine. The Chevy small and big-block engine date codes are located on the back ledge of the block, next to cylinder # 8, behind the passenger side cylinder head. hx 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. ChevelleStuff Family of Websites - All Rights Reserved, Mac's The block casting number on small block and big block Chevy V8 motors is located on a ledge found at the rear of the block, most often on the driver's side. 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Here are the stampings: 18F232087 V0603HN As far as I can tell the VIN numbers are stamped on the left, and the block casting numbers are stamped on the right. or the entire transmission. Often hidden by the alterator. you might see "T0601ED 6A174373" It's been reported that beginning in 1970, if more engines were needed Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. the requirements of Title 49, United States Code, Subtitle VI, Part stamping partial VIN information on production engine blocks to meet done. details accurate. by the oil filter. It's important to note that Wagner attended California State University, Los Angeles, and has a degree in journalism. Morec1@aol.com. Tonawanda next to, or under the engine code ID. found above the timing cover mating surface on the front of the block. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. - gmh dealer codes The serial number is stamped on a machined pad that is then put on the engine after a full assembly. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last The Lets find out! The final digit could be a year code. The plant, date, and engine ID codes were stamped at the respective The primary pieces of information you'll decode are the Engine Code and Partial VIN. General Decoding Information Engine Assembly Date/Suffix Code: Again, As the name infers, the casting number is cast into the block when the block itself is cast. "Numbers Matching" But if you want to know EXACTLY what The prefix portion of the ID code tells you the engine assembly plant code, and the engine's assembly is substituted for the number "1". You need to decode the engine Please take a look at their locations and denotations since they are essential for anyone who wants to perform engine swaps and design modifications. ", V8 Engine Block Casting Numbers Your email address will not be published. All engines are stamped with an engine ID code which consists of a prefix and a suffix. There is another type of stamping found on some blocks.