Decoding the ID numbers on Chevy Smallblock motors: (Info compiled Ray Buck [09/23/2000]) Since there are several numbers on the block, we need to identify the ones we're gonna use. There are two locations for the engine serial number on the engine block for the 2001 Chevy S10 GM 4.3 motor. 350 CID (VIN Code M) V8 Engine 1981 C10 K10 C20 K20 1982 C10 K10 C20 K20 1 1983 C10 K10 C20 K20 1 1984 C10 K10 C20 K20 1985 C10 K10 C20 K20 1 1 1986 C10 K10 C20 K20 1 1: 1 GA, TA GU VAP - 2 hole nozzle, VAZ - 3 hole nozzle VLC, VLD 1 1 JTB, TJC, TJA, TJZ, TJY, TDY, TJH T0512HA is a 69 Camaro 350/300 with manual transmission, but that code was also used in the Nova and the Chevelle, so you'll need to check the partial VIN to see what it originally came out of. ... Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. ... On a Small Block Chevrolet, this stamping code is located on a flat pad in front of the passenger side cylinder head, usually hidden by the alternator. 8956618 is actually 3956618 and yes, it was used in 69 for 302's, 327's and 350's. Vin "F" is a 305 and Vin "8" is the 350. There are two locations for the engine serial number on the engine block for the 2001 Chevy S10 GM 4.3 motor. Ed All of Chevy Engine Casting Numbers Are Usually Located Behind The Dist. No. •The second digit identifies the model year. i had a 72 chevelle way back,original engine L65 350. it was a 014 block 2bolt with the same heads you have 462.Had no problems and ran the snot out of it on the street/drag strip for 13 years. 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. One location is just in front of the flywheel position on the back, top of the motor. •The first digit identifies the division. Small Block Chevrolet engine suffix codes. CHEVY HEAD CASTING NUMBER LOCATION IS UNDER THE VALVE COVER CHEVY 327-350 HEAD 1968-1969 CAMEL HUMP CHEVY ENGINE CASTING NUMBER AND ENGINE NUMBER LOCATION ON THE BLOCK . •The third digit identifies the assembly plant. on the Bellhousing Flange Right Side standing in front of the Motor. Engine Code Years Cid Application Engine Vin Hp Bbl Gm Body Comments ; 1: C: 1957: 265 But the Vin cannot tell you whether or not the engine has been changed since it left the factory. Chevrolet Engine Block Casting Numbers April 12, 2014 Roadkill Customs Technical Info All engines are stamped with an engine ID code, consisting of assembly plant code, production date, and suffix code. All engines are stamped with an ID serial number showing plant code, production date, and suffix code. The vehicle identification number (VIN) is located on the left side rear of the engine block (1) and is typically a nine digit number stamped or laser-etched onto the engine at the vehicle assembly plant. One location is just in front of the flywheel position on the back, top of the motor. 12.77et with 4.56gears.car went to NY.