It is advisable to take your car to professional because there are many professionals who check will check your vehicle without any additional cost. Big Block Chevy Suffix Codes: Q - YZ : Abbreviations: AB = Air Brakes, AR = Air Injector Reactor, CA = California, HD = Heavy Duty, hdc = heavy duty clutch, HP = High Performance, LP = Liquid Propane Gas, PG = Powerglide, mt = manual trans, mt-3, 3 speed manual, SHP = Special High Performance, TH = Turbo … Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge. When identifying the engine, the last three letters of the code are the most important. 348/409 The suffix codes can be found stamped on a pad located on the front of the passenger side cylinder head as shown in this example: An example: (T03I9QA) T=Tonowanda (assembly plant) 03=March (month) 19=19th (day) QA=400hp 409 (suffix code) All 348's and 409's were assembled at the Tonowanda plant however … 1929-1962 Chevrolet L-6 (in-line 6) Overhead Valve Engines the Stovebolt Six - the Cast-Iron Wonder. Not all codes apply to all systems. The date code is most often found back by where the transmission bolts to the engine block, on the top side of the block. P1415 Secondary Air Injection (AIR) System. P1416 AIR System Bank 1. All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. Our site is all about Chevy Trucks, from the classics to today. 1937 Chevrolet Half-Ton Pickup. Edward W.J. The G series truck was Chevrolet's first attempt at what we call a 3/4 ton truck. This list acts as a decoder, letting you search by equipment or code to learn more about your truck. Chevy P1345 Engine Code: Diagnosis & Repair. CHEVY TRUCK GMC TRUCK FULL SIZE PASSENGER CAR Edward W.J. You’ve got a dream in your garage. On 1970-and-later engines, the sixth character is the identifier (“C” = car; “T”=Truck) for the vehicle type, while the seventh and eighth characters are the engine identification code. 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. Choose Group to View Big Block Engine Suffix Codes Select BB Suffix Group #* - B* C* - CZZ D* - FZZ G* - KZZ L* - SZZ T* - TZZ U* - ZZZ 348/409 396/402 427 454 502 The code will be eight digits long and uses both numbers and letters. The LS based small-block engine is the primary V-8 used in General Motors' line of rear-wheel-drive cars and trucks. Products & Reviews [ December 26, 2020 ] 1965 Mercedes … Most auto repairs shops charge between $75 and $150 per hour. The diesel codes are much more extensive and not listed here. This drawing is of the 1967 version of the 302 cid Chevrolet. P1409 EGR Vacuum System Leak - Read Our Article on EGR Valve Codes For Help With This Chevy Check Engine Light Code. While the Gen IV Vortec engine line is still in production today, Chevy launched the new EcoTec3 engine line as the successor or Gen V to the Vortec in 2014. The entire engine code contains the assembly plant, month and day. She has served as a newspaper reporter and her freelance articles have appeared in magazines such as "Horses Incorporated," "The Paisley Pony" and "Alabama Living." Decoding Big block Chevy engine suffix codes and stamped numbers: Q - YZ. Casting : Year: CID: Main Caps: Comments: 340220: 1972-76: 427: 4-bolt: tall truck: 345014: 1974-86 It was only built in 1921 and 1922. November 3, 2020 By Jake Leave a Comment. This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more. Chevy Small Block V8 Engine Identification. Chevrolet Passenger Cars and Trucks . Chevrolet has a code system which gives key information on a particular engine. … Codes can be cleared by disconnecting the battery for 20 seconds. the information below was obtained from Block codes and series/sequence codes from Beck's Machine & Tool on Inliners International. LT. Big-Block. Chevrolet. Small-Block. F 1967 Chevrolet C-10 Chevy Apache Twin Turbos F 1984 Chevrolet C10 What 3200HP of NOS Looks Like F 1972 Chevrolet C-10 1972 C-10 Texas Reaper f 1978 Chevrolet C-10 2500 HP 632CI BBC chevy engine 1972 c10 SEMA ratrod F 1970 Chevrolet C-10 Full Size Chevy Jump Fail 1965 Chevrolet C-10 The Fastest Truck in the World f 1985 Chevrolet C-10 Stepside 1971 Chevrolet C-10 … Built 1939 - 1958 Models. 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. Codes will also clear if after 50 starts the problem has not reoccurred. The stamped code on 30s-mid 50s engines includes some variation of the car model code, and a sequential engine number, but no date information. This was the ill fated copper cooled engine and only a very few cars were built before they were called back. , Paint, Trim & engine codes for Help with this Chevy engine. 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