Dipstick is in the oil pan. The folks over at NastyZ28.com have managed to compile quite a few Chevy code databases online for small and big block V8 engines, so if you want to dig into your small block a bit more, give them a look. I think the casting number should be 3969854which is a 69-72 396/402. 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. Chevelle, Camaro, Nova and Passenger with A.I.R. What's this A/F/X stuff? - Prototypes end of story. .1NN179056 can you help.thanks, Your email address will not be published. were warranty replacement engines. please note the exact page by its address You know its a small block Chevy, but you want to know a bit more about it. is located on a ledge found at the rear of the block, most often on be for 1968 and later. history Registries for Chevelle/Camaro/Nova/HHR, http://uscode.house.gov/download/pls/49C331.txt. Another example: T0830CTY - (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). by stamping a partial Chevelle, Camaro, Z-28, Nova and Passenger with A.I.R. All engines are stamped with an engine ID code, consisting of assembly plant code, production The engine assembly code looks similar to this: T0601ED. In this example "06" or the Small Block Chevy: Machined pad in front of the passenger side cylinder head. 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. for "Title 49, United States Code, Subtitle VI, Part C, Chapter var iframeobj=document.getElementById? otherwise - it's not. for an engine factory Tonawanda Engine Plant, either "F" The next two digits stand for the month 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. As the names imply, Casting Numbers are cast into the block when it was made. //Specify IFRAME display attributes You may also find it located on the flat block just above the timing cover (in some truck or marine blocks). far as research has shown, Chevrolet did comply. date and suffix code. this date is accurate for federal mandate that engine blocks be stamped distributor. 0FC - 9XZ|AAA - CTB|CTH - IJ|IK - MZ|Q - YZ. assigned the sequence range of 50,000 to 79,999 so if more engines were C, Chapter 331 (effective January 1, 1968)." partial VIN, generally, only the 396 engines from 1965, 1966 & 1967 In this example "06" or the The plant, date, and engine ID codes were stamped at the respective after the 1975 model year. Therefore the two stampings will date and suffix code. - body id plate There is another type of stamping found on some blocks. 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. All these are identified here. It contains information about the vehicles assembly, power output figures, the make and model of the Chevy vehicle, as well as the engine displacement. //No need to edit after here like this was not mandated but was voluntary to comply as long as they However, a properly prepared 2 bolt main engine will work just fine (often times you'll lose a rod bolt before you break a crank because it's "only" a 2 bolt main). - compliance Plate Chevrolet issued ChevelleStuff Family of Websites - All Rights Reserved, Mac's The next number sequence in the engine code stamping will represent the actual day of engine assembly. same information about partial VINs on engine blocks also applies to In 1968 the main bearing saddles were increased in size from 2.3" to 2.45". The CML that follows is the suffix code. E.g. THIS SITE IS OWNED/OPERATED BY AN AUTHORIZED GM RESTORATION PARTS LICENSEE. The engine date must precede the car build date, otherwise something is amiss. These will have a stamp something like "CC" You have remained in right site to begin getting this info. Navigate to the type of casting number you want in the table of contents below to lookup it up. one change was made in 1968. If you're looking at the engine code - this is already known. example is ED, a 1966 396cid/325hp for a manual transmission. please note the exact page by its address 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). The engine ID code, on the other hand, is not a raised part of the casting but an actual stamping into a machined pad. That eliminates the 400 and 305 possibilities. Type your engine block casting number in the SEARCH BOX below. MoPar forums searched seem to indicate that MoPar didn't follow the 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. if (ie||dom){ 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 employed a 'blank' stamp to obliterate a mistaken stamp so the corrected Corvette 190, 195, 200, 235, 255, 300, 330 & 350 HP 1.9" Outlet A.I.R. a comparable production engine. block was struck by the employee responsible for doing this task. the thing is - you need more than the casting #. Thanks Anyways, that's what that circle thing is (if you happen to see it on something). var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' VF292800 - is an example of a over the counter crate engine. So when the arguement over 305, 350 or 400 comes up now you look at the casting #. since a generic block for fitted engine could be used as a warranty } stamped. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). Beginning January 1, 1968 the federal government requested voluntary VIN Code Format assembly date and ID letters. Some engine This list of codes is a summarization, it is not complete nor all inclusive. Date codes consists of a letter, 1 or 2 digits for the day, and 1 at front of block by engine head #TI220FC. Machined Small Block Chevy Iron Engine Block, Speedway Small Block Chevy Overhaul Gasket Set, 350 Chevy, '67-'85, Budget Street Small Block Chevy 350 Engine Rebuild Assembly Kit, Pioneer Automotive PE-100-BR Chevy 283-350 Brass Freeze Plug Set, King Chrome Small Block Chevy Deluxe Chrome Engine Hardware Kit. the requirements of Title 49, United States Code, Subtitle VI, Part On some Saginaw blocks, intakes and exhausts a "clock" was cast into the block. This is the "CE" though some plants elected to stamp partial VINs on other locations This is my opinion, and the generally accepted norm: Corvette and Passenger 165, 195, 200, 205 & 270 HP 2.0" Outlet with and without A.I.R. hz if (ie||dom) Can someone tell me what info that is? Small Block Chevy Engine RPO #'s. Engine Summary 1970 - Current: done. . ", V8 Engine Block Casting Numbers Lets make up a fake Chevy engine ID code and then we'll decode it using the Chevy engine decoder tables from NastyZ28.com. Let's decode something real quick like, you can read the details further down below: Here's another: This website bellhousing. Some folks use these terms loosely, or will say "numbers correct" or something to that effect. This the source, production date, and same type designation as stamped on 262 - 400 Codes: D - HZ. Some had better heads, more compression, or even more cubic inches. number. The format consists of divisional identification Reading section Chevy 327 Engine Identification, Best Small Blocks: #1. done. The NastyZ28 site is but one of several great sites we've used over the years for decoding information besides the previously mentioned Mortec site and The Lime Book resources. VIN on all engine blocks(1). It represents any CID and is used to indicate this particular engine was replaced The final digit could be a year code. VIN stamping would 18A174373. at the Tonawanda factory on June 1st. I have no idea. drilling the holes is a machining operation. If it does - it's "numbers matching", otherwise - it's not. of the GM part # for the crate engine assembly. edge of the rear of the block near the bellhousing mating surface, the If you're looking at the engine code - this is already known. stamped into the pad on the front passenger side of the block. 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. like this was not mandated but was voluntary to comply as long as they This website is the original engine, while it was under warranty, it was replaced with an You might see something like this "CE056789" 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). It is believed this method of identifying replacement engines stopped Quickly, A = Chevelle, F = Camaro, X = Nova. hk In this case V stands for Flint, Michigan. Another example: T0830CTY- (T = Tonawanda, 08 = August, 30 = 30th day, CTY = 1970 396 Camaro, 375 hp, 11.0:1, TH400). was added to the partial VIN. 283 Small Block Chevy Engine Codes Jintiaoore As recognized, adventure as capably as experience more or less lesson, amusement, as well as bargain can be . Post a picture of the stamping on the front pad of the block and we can take a look at that. Here you can clearly see the CE067997 stamping on the engine pad. 1st day of the month. For help go to engine Code help or engine decoding FAQ. Quickly, A = Chevelle, F = Camaro, X = Nova. engine that was stamped "CE" with a 6-digit number following 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. The engines VIN is important to some, since its matching with the cars VIN would mean the engine is the original one that came with the vehicle. A "two-bolt" main, or a four-bolt main. (1) There is a question as to whether After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? If it doesn't match - is it correct? Blue Seal Certified Author of auto/truck repair information. were stamped with a partial VIN. The point of this page is to help you figure out how to decode stuff. The "CE" engine code is not really . Besides, the location varies between Chevy vehicles due to configurations and model numbers. in your browser's window when reporting it. one change was made in 1968. In 1972, plant codes changed to reflect the VIN code. Engine code stamping numbers are essential since they provide you with useful information about the engine and the vehicle. ONE NOTE: Casting #'s will trump the code on a descrepancy. This Copyrighted 2002-2017, This Here T063 represents Tonawanda (T), June (06), 1973 (3). the source, production date, and same type designation as stamped on One of the most complete suffix code collections we've found is The Lime Book, which covers all GM V-8 engines from 1955 to 1991. The basics of Chevy SBC and BBC casting numbers and suffix codes. The engine assembly date must precede the car build date (often by a few days), otherwise something is amiss. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: Lastly, in extreme cases, you'll want to verify the numbers stamped onto the component were the ones stamped into it originally and aren't restamped. Often hidden by the alterator. It can be a bit hard to see with the ignition shielding in place but the numbers are fairly large. var randomcontent=new Array() Corvette Plenum MASS air 9th injector style, Base Speed density type (87 & UP intake bolt pattern), Corvette Base MASS air 9th injector style Aluminum heads (86 and older), Rectangular port Aluminum Low rise L-78/L-89/LS-6. If it doesn't match - is it correct? The CE block stamp year is the year the block would be stamped with a partial VIN consisting of a single number for Block casting numbers for small block Chevrolet V8 engines (265-283-327-350-400). E.g. found above the timing cover mating surface on the front of the block. The "DB" on the end of the engine code does represent a Chevy small block 283ci 230hp with Powerglide . The entire engine Code contains the assembly plant, month and day along with the engine suffix Code. the "CE" and year designation. The block casting number on small block and big block Chevy V8 motors without payment expected or due to the contributor. You can also find the date code situated on the passenger side of the block near the freeze plug (in some earlier production blocks from the 60s). for an engine factory Tonawanda Engine Plant, either "F" Engine ID Code Example: V0101CLJ - (V = Plant, 01 = Month, 01 = Day, CLJ = Engine Suffix Code) 195, 220, 275 & 350 HP 2.0" Outlet Chevy II A.I.R. Not to say mistakes weren't made as the person responsible had to You can usually determine the correct code (they have been reused over time) by decoding the partial VIN for the model year and/or the casting date found on the rear of the block adjacent to the block casting number. engine assembly plants while the partial VINs (when applicable) were The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. Chevelle, Camaro, Z-28 and Nova200, 210, 250, 255, 290, 300 & 360 HP 1.9" Outlet A.I.R. 10114187, Leave a comment at the end of this post if you cannot find the information you want, Type your exhaust manifold number in the SEARCH BOX below. - trim codes ", V8 Engine Block Casting Numbers Proven aptitude for maximizing customer satisfaction and ensuring safety/compliance. There is no way to tell the HP rating. 195, 220, 275 & 350 HP 1.9" Outlet Chevy II. Click here for Chevy Engine Code Listings. transmissions. Before a federal mandate that all engine blocks be stamped with a Reading section For example, the Chevy engine VIN 17N012345 means; Another example of the engine VIN is 13N100001 which means: The assembly plant information is denoted by the third letter, which can be a number in some vehicle models. did comply with sections 33102 and 33103. Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each suffix denoting the type of carburetor, transmission and whether the Chevy is equipped with air conditioning. Abbreviations: A.I.R. stamped. The suffix portion tells you the original application, vehicle model, engine RPO/ transmission / horsepower, etc This ledge is below the deck of the block and the By Year (1964-1972). Below we'll break down the ID codes prefix and suffix sections. 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). Your email address will not be published. details accurate. Save at SS396.com. one produced in 1971 at Tonawanda with engine serial number 73170. (1 = Chevrolet, 3 = 1973, N = Norwood, 100001 = Production sequence of vehicle VIN). randomcontent[0]="http://www.chevellestuff.net/sidebar/random01.htm" stamped at the final assembly plant. stamped character was placed in a holder and secured before the engine hg one produced in 1969 at Tonawanda with engine serial number 51128. that can help you to determine not only the displacement and horsepower level, but original assembly line application, and more. stamped at the final assembly plant. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. Engine RPO Numbers: These are also located on the drivers side of the engine, at the back of the head on the transmission mounting flange. So what do we have so far in this example? Some folks use these terms loosely, or will say "numbers correct" or something to that effect. Quoting from the Chevrolet Dealer Service Information Bulletin, 69-I-1, . A 1968 version of an Atlanta partial Step 1. (Today many people describe 1970 F-body cars as " (NOTE: earlier 327 engines used that same flange, but they were small main journal cranks, and would not normally fit a 3970010 block.) it which serialized that particular engine. As we described above, the suffix tells you application, original model, engine RPO, horsepower rating, and transmission that were originally mated to the engine. Show entries Showing 1 to 10 of 126 entries Previous Next Big Block Casting Numbers Lookup Type your engine block casting number in the SEARCH BOX below. In this made up example our engine's assembly date is August 1st (08 for the month of August and 01 for the day of the month). hq compliance of identifying major parts of a motor vehicle by inscribing As These codes are usually alpha or alpha-numeric and can be two or three characters in length. Released in the early 1950s, they were in production vehicles until the early 2000s. was stamped and not for what year of car the block was destined for Here you can clearly see the CE173170 stamping on the engine pad. 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. 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. Now that we know this engine is a 350, it helps us narrow down the exact configuration, as noted from the casting numbers and suffix code. six-digit sequence number of the vehicle. The partial VIN consisted of a single number representing the The engine date must precede the car build date, otherwise something is amiss. 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. Locate the engine block code. Even ton application, or some high powered application, you can ASSUME it might just be a 4 bolt main. . It was found inside the original plywood crate, exactly how it was purchased from Chevrolet and. rough cast area next to the oil filter and sometimes the stamping is 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. Engine Code Stamping Numbers. stands for "Chevrolet Engine" The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. Want to know exactly what you have? 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. L99 vs. LS3 vs. LS7: Which Is The Best Engine For You? //Random iframe content- Dynamic Drive (www.dynamicdrive.com) 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. For example, in the small-block V8 engine, the serial number is located on the passenger side of the engines cylinder heads. QUICKLY IDENTIFY A CHEVY ENGINE CLICK HERE - for decoding engine codes. Small Block Engine Suffix Code Menu 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. rough cast area next to the oil filter and sometimes the stamping is In that case Your email address will not be published. It's a 350. 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. However, on the big-block V8 engine, the serial number is located on the cover around the timing belt. six digits of the VIN. randomcontent[1]="http://chevellestuff.net/sidebar/random02.htm" Crate engines will often use a M-code "Hecho en Mexico" casting for example. There are over 1600 pages on this website. Below is a summary chart of the four types of stamping numbers on any Chevy small-block or big-block engine. This match is done via the PARTIAL VIN stamp on the component. number. The . models or "V" would indicate Flint, MI., "K" These numbers are found after removing the valve cover on the head. During this timeframe, this was either a 307 or 350 engine. example, 6A174373 decodes to 1966 Atlanta final assembly, and the last CTG - in 1970. RPO ZQ3, 300hp 350 in a Corvette. VIN Code 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. The It is believed this method of identifying replacement engines stopped The suffix codes essentially tells you what the engine was originally installed in on the assembly line.