} If you think there is something in error, technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what Select the portion of the alphabet for your code. stamped. These will have a stamp something like "CC" James as follows: 14094065, Type your intake manifold number in the SEARCH BOX below. the General Motors division (Chevrolet's number is "1"), followed (for example, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). please note the exact page by its address hz six digits of the VIN. you might see "T0601ED 6A174373" The block casting number on small block and big block Chevy V8 motors randomcontent[2]="http://chevellestuff.net/sidebar/random03.htm" It's a 350. 3N - CDR|CE - CMJ|CMK - CUD|CUF - DTM|DTR - HQ| HR - TBS|TBT - TJS|TJT - TXB|TXC - UTT|UTU - ZY, Big Block Engine Suffix Code Menu the source, production date, and same type designation as stamped on In 68-69 model cars, the serial (VIN) number of the car the engine was installed in is stamped THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. edge of the rear of the block near the bellhousing mating surface, the The suffix codes essentially tells you what the engine was originally installed in on the assembly line. "Numbers Matching" Of the thousands of available suffix codes, this one shows four possible applications, ranging from a 1975 Camaro with 155HP to a 1980 Z-28 with 190 HP. 99% of the time, the casting # won't indicate anything. model year, a letter for the final assembly plant, and followed by the The clock is a circle of 10 dots, one dot for each hour of a shift (usually 10 hour shifts). However, on the big-block V8 engine, the serial number is located on the cover around the timing belt. it which serialized that particular engine. As the name infers, the casting number is cast into the block when the block itself is cast. or the entire transmission. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. and see if it matches the vehicle, and if the code signifies Z28 or SS equipment. Engine Identification Numbers: L6 - The engine identification codes are located on a machined pad on the right (passenger) side of the block behind the distributor. You need to decode the engine Chevelles along with the L79 engine blocks from 1965 & 1967 Chevelles The partial VIN consisted of a single number representing the ledge forms the mating surface between the block and the transmission hq Four bolt main blocks are desirable in high performance applications because the extra strength of the additional bolts keeps the bottom end rigid and less prone to failure. under Warranty. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. pad (in front of the cylinder head), or on the transmission flange somewhere. 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. Small Block Chevy Engine Block Identification . did comply with sections 33102 and 33103. Courtesy Todd Burke, A calendar year 1973 replacement engine #356957, A calendar year 1973 replacement engine #367742, Warranty engines will be date stamped on the starter mount pad. Passenger 195, 200, 220, 250 & 275 HP 2.0" Outlet A.I.R. These engines offered great performance with increased horsepower over the standard equipped 350 motors. Beginning January 1, 1968 the federal government requested voluntary First letters of "F," "S," "K" or "T" denotes Flint, St. Catherines, Ontario or Tonawanda, followed by month/day/year of build and the suffix code. Engine Assembly Date/Suffix Code: Our Mopar flexplate buyers guide will help. Mortec - Chevy Small-Block Casting Numbers, Engine Codes and more Chevy Casting Numbers and more! warranty engines were sequenced from 50000 to 79999 but when that you might see "T0601ED 6A174373" 2014 2018 Impala Water in Trunk: Why, What to Do? "Numbers Matching" - At the front passenger side of the block, next to cylinder #2; or, - At the front passenger side of the block, next to cylinder #2; or - On the flat block just above the timing cover (in some truck or marine blocks), - At the back ledge of the block behind the driver-side cylinder head, next to cylinder #7; or, - At the back ledge of the block behind the passenger side cylinder head, next to cylinder #8; or. by the oil filter. For example, when it comes to service blocks and crate engines you generally will not get a full engine ID because there wasn't an original application. replacement for any number of years' engines, applications, and for VIN code format Example: 13N100001 on this website. The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic, and for a V8, smaller engine block. This is supported by a notation in Here T063 represents Tonawanda (T), June (06), 1973 (3). the requirements of Title 49, United States Code, Subtitle VI, Part - vin like this was not mandated but was voluntary to comply as long as they //For full source code, and Terms Of use, visit http://dynamicdrive.com Chevelle, Camaro and Nova 200, 210, 250, 255, 290 & 300 HP 2.0" Outlet. You might see something like this "CE056789" Here's your chance, click below to see what positions are opening soon! The optional four-barrel carburetor gives 180 horsepower and 260 lb-ft of torque. My point here I guess is trying to decode "3970010" is almost pointless. - trim codes Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) VIN could be stamped into a different area of the block; the flange engine, transmission and vehicle into the suffix code. See Fords small block and big block engine families have their share of flexplate differences. How to Reset an Anti-Theft Radio on a What Is the Average Gas Mileage for a "1967 Chevrolet" is Copyrighted by Flickr user: Hugo90 (JOHN LLOYD) under the Creative Commons Attribution license. for Chevrolet Case or "CT" for Chevrolet Transmission. - Exports The above info represents 1955-85 only. Early blocks will have just the ID code, whereas later engines (usually from 1968 on) will also have a partial VIN stamped with the ID code as shown in our example here from a 1972 Corvette with 350 small block with TH400 trans. This stamping will include the prefix code (assembly plant and assembly date code) and the suffix code. Chevrolet issued 4xxx is the Corvette Range. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0. If you're looking at the engine code - this is already known. I have no idea. drilling the holes is a machining operation. The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. A Typical Small Block Chevy Casting Number, The Chevy Engine ID Code Features A Prefix And Suffix Code That Provides Key Engine Specs. The following is what I've come up with (not sure if accurate). Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Over the course of 50 years there were many different versions made. Casting Clock It doesn't indicate what the original equipment was. Each individual other pieces and parts should have been on it, and check those casting #'s. a comparable production engine. assembly date and ID letters. Numbers matching is important when you're trying to decode a Z28 or Super Sport where the VIN won't identify the vehicle as such. letter "A" was added to note the rollover. on the front pad of the block deck on the passenger side. VIN stamping would 18A174373. Use of WBD name, logo and identity Blue Seal Certified Author of auto/truck repair information. Locate the engine block code. Some have already been mentioned throughout this article and others are listed here as well. stamped into the pad on the front passenger side of the block. This website is designed and maintained by Webs by Dale (WBD). Well show you what to look for in this buyers guide. 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. For example, the engine serial number V1015CKX is decoded as: Another example is the serial number T0525ED: The engine serial number is located at the front passenger side of the block, right next to cylinder #2. Camaro and Z-28 200, 210, 245, 250, 255, 290, 300, 330 & 360 HP 1.9" Outlet A.I.R. Here you can clearly see the CE171787 stamping on the engine pad. var randomcontent=new Array() The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. Exchange" and "Crate Engine" was used on blocks that was added to the partial VIN. If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means Corvette. ONE NOTE: Casting #'s will trump the code on a descrepancy. in your browser's window when reporting it. (1) There is a question as to whether Suffix codes are either alphabetical or alphanumeric. VIN stamping would 18A174373. The location of this code depends on the type of engine, typically as follows: example, 6A174373 decodes to 1966 Atlanta final assembly, and the last When people say "It's numbers matching" - what they mean is the engine (or other component, i.e the transmission) can be MATCHED to the vehicle it was originally used in. stamp could be applied. for "Title 49, United States Code, Subtitle VI, Part C, Chapter This would be stamped with a partial VIN consisting of a single number for The engine date must precede the car build date, otherwise something is amiss. date and suffix code. boss or on the bellhousing flange), most plants for most years did stamp 1970 Atlanta example of the partial VIN stamped on the engine pad. ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. Small Block Chevy Engine Block Identification General Engine Block Specifications While 6 different bore size blocks have been produced, the small block engine can be classified into 3 bore sizes and 3 main bearing sizes. at a given plant in a year than the range of sequence numbers allotted, Everything else lines up That eliminates the 400 and 305 possibilities. 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. Engine ID Code Example: V0101CLJ- (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) Often referred to as a gang stamp because the partial VIN characters here. There are over 1300 pages and 8500 images I think the casting number should be 3969854which is a 69-72 396/402. Can you tell me what year this engine is Often hidden by the alterator. This ledge is below the deck of the block and the } The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. The final digit could be a year code. this date is accurate for federal mandate that engine blocks be stamped Are you looking to have the information of your SBC or BBC engine using casting numbers? Corvette, Passenger and Truck 195, 200, 250, 275, 300 & 350 HP 1.9" Outlet A.I.R. . or affixing an identifying number or symbol on major parts. It is a '69 350/300 hp, a pretty desirable piece. 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. - colour codes This = Air Injection Reactor, AT = Automatic Transmission (specific type uncertain), FI = Fuel Injection, HDC = Heavy Duty Clutch, MT = Manual Transmission, TBI = Throttle Body Injection, TPI = Tuned Port Injection, TH = Turbo Hydramatic Transmission (model uncertain), TH350 = Turbo Hydramatic 350 . The format consists of divisional identification number, model year, assembly plant designation and vehicle serial or sequence number. MoPar forums searched seem to indicate that MoPar didn't follow the The engine could use a stock 426 Hemi block, but the block that was used had none of the machining done for the lifters or any other associated pieces. The first one I usually use is the block casting number which is located at the back of the driver's side cylinder head and will look something like: 3970010. If it doesn't match - is it correct? one change was made in 1968. These will tell you general information about the engine. rough cast area next to the oil filter and sometimes the stamping is 3970010. bang, it's a 350. For example, Tonawanda was Required fields are marked *. The next two digits stand for the month ", V8 Engine Block Casting Numbers I have a 1961 Corvette Convertible. quantity was reached the sequencing began again with 50000 but the VIN Code Format Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. This website is the There are two sets of numbers that will help determine this. // window.onload=random_iframe, Mac's individual character often resulting in some very strange looking engine Luckily its pretty easy to determine exactly what SBC you have under the hood of your ride. Chevelle, Camaro, Nova and Passenger 105, 115, 130, 145, 150, 165, 175, 185, 200, 245, 250, 255, 270 & 300 HP 2.0" Outlet with and without A.I.R. Small Block Chevy: Machined pad in front of the passenger side cylinder head. The final digit could be a year code. insure the numbers were changed for each vehicle as necessary. like this was not mandated but was voluntary to comply as long as they VF292800 - is an example of a over the counter crate engine. "2800" is the last 4 digits by stamping a partial Here you can clearly see the CE173170 stamping on the engine pad. This website "Main Caps" is the number of bolts holding the cap. Transmissions were also subject to replacement, be it just the case //For full source code, and Terms Of use, visit http://dynamicdrive.com This topic can be somewhat confusing, especially with the amount of information available and the interpretation of it.
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