Search results
19 sie 2022 · Use the part (engine block or cylinder head) date code to identify the model year. On engine blocks, this code is usually located on the top center of the block, near the distributor. On cylinder heads, it can be "inside" (under the rocker cover) or on the outside.
26 paź 2023 · Together with the casting code and casting date you can determine where what the engine is. Starting in 1965 Pontiac began using a 2 digit letter code. As a general rule, “W” coded blocks are manual transmission and “Y” coded blocks are automatics.
This photo shows where the block casting number and date code are located. The date code, L017, breaks down as follows: December 01, 1967. The block casting number, 9790071, is for a 1968-1969 400 engine.
You must find the date code at the back LH side of the block first. The letter is the month, next 2 digits are the day and the last digit is the year. Here are 2examples:
26 paź 2023 · Together with the casting code and casting date you can determine what the engine is. Starting in 1965 Pontiac began using a 2 digit letter code. Above the 2 digit code will be the motor unit number, which is either 6 or 7 digits.
pontiac engine decoder year code c/i 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 ... 1967 xm 400 255 1967 wf 400 255 a 2 ac 1967 wm 400 255 m 2 emmisions 1967 wn 400 255 m 2 emmisions 1967 yu 400 255 a 2 emm 1967 yv 400 255 a 2 ac ...
Pontiac Engine Codes. BACK For a more complete and up to date engine codes and other information, try my search page. Engine Search.
