pontiac 400 engine codes

Generally we can see that PONTIAC for blocks codes beginning with W for engines with manual transmission and codes beginning with Y for engines with automatic transmission this for the V8 engine. E Linden.

Tracing Numbers For A 400 Ci Pontiac Motor Firebird Classifieds Forums 1967 1968 And 1969

To further identify the year and application move to the top and.

. AU YW YY automatic Pontiac 455 SD. However it is a good place to start. I doubt if you would feel the difference on a otherwise stock Pontiac 400 engine.

1968 wy 400 366. A new 301 Pontiac short deck engine joined the line-up along with some other corporate engines such as the Olds 403 and the Chevy 305. This casting number is usually on the RH side of the rear portion of the block - where the.

W8 manual Y8 automatic. Contrary to rumors and some magazine articles the SD-455 did not have a unique color. A list of block casting numbers is located.

The blank casting number for the 1977-79 400 is 568557. The date code is 4 digits. Engine Code 123456 WS 22P100001.

You will find a set of a pair of letters designating the engine code and number that is the serial number of the engine. Has standard bore now bore to 010. Service Replacement SR blocks do not always have a code stamped on the front of the engine.

1969 Engine Codes Code. On blocks produced in 1970 and after you will find 350 400 or 455 stamped towards the left side of the front of the block. Pontiac engine decoder year code ci hp tran carb car misc 1962 13b 421 3 m 2 x 4 full super duty 1962 13u 421 4 m 2 x 4 full super duty 1962 bu 421 4 m 2 x 4 full super duty 1962 bt 421 4 m 2 x 4 full super duty 1962 89z 195 s 1 tempest 1962 88z 195 s 1 tempest export.

Pontiac 400 428 455 Engine Casting Numbers. March 15 1973 starting at approx. If anyone has any information on an alternate 1975 Pontiac engine color please contact me.

96 Ram Air 41. Pontiac Cylinder Head ID Numbers. Below you will find the 180 codes for engines installed in firebird.

1976 Pontiac 400 XY Code Block sold. Pontiac 400 428 455 Engine Codes. Pontiac Engine Codes Code Car Year CID HP Trans RPO VIN Carb Block Cast Main Notes 01A B-body 62 389 215 3-speed 1x2 538181 2 01A B-body 63 389 215 3-speed 1x2 543680 2 01A B-body 64 389 215 3-speed 1x2 9773155 2 01B B-body 62 389 215 3-speed 1x2 538181 2 HD tran.

The first digit is the month the next 2 digits are the day of the month and the last digit. My 1969 Firebird 400 was equipped with a Muncie M-21 4-speed 4331 Saf-T-Track a1970 Ram Air IV camshaft and 1969 428 HO exhaust manifolds. It has since been upgraded by Warren Frank of ARC Race Cars in New Oxford PA.

Engine Casting Number Reggie Horning. 96 Ram Air 41. WK WS WT manual XX YS YX automatic Pontiac 455.

Engine number 532727 through 1974 Pontiac V8. WC WJ WL HO manual YC YE HO automatic 1970 TRANS AM PRODUCTION BREAKDOWN. The block casting number 9790071 is for a 1968-1969 400 engine.

Pontiac 400 to 455ci Street Crate Engines Bill Cannon owner operator engine builder all started with his very first car a 1965 GTO 428ci 4 Speed in 1975. Cleaned magnafluxed ready to ship. There is no displacement stamp for 421 389 or 326 blocks.

123456 -Engine Production Number No correlation to the Vehicle VIN WS -Engine Code 22P100001 -Engine VIN Code added late 1967. 41 rows Pontiac Engine Assembly Plant Code. They do however usually have a casting number.

WT Y3 manual AD AH AT YT YZ YF YH ZJ ZK YL YM A3 YT AT ZS ZT automatic Pontiac 455. 2Pontiac 2Model Year PPontiac Assembly Plant 100001Last six numbers of the car VIN. The Ram Air aluminum intake manifold alone does not make a Ram Air engine.

The Pontiac 400 block was cast with revised motor mount bosses and will only mount in late Firebirds or Grand Prixs. 500557 DC F216 3. Date code letter deciphering.

Used for all mid-73 thru 74 Pontiac engines including the 73-74 SD-455. Pontiac Date Code on the Cylinder head Reggie Horning.

Engine Codes