Identifying engine year [Archive] - GrandAmGT.com Forum

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Sprucegagt
07-01-2004, 10:28 AM
I have access to a 3100 V6 that I can get free parts from for my 3400, but I don't know what year it is? Where and how can I look this information up at?

zerogman
07-28-2004, 08:45 PM
for which engine? The 3100 or the 3400? Either way, it should be stamped on the lower plenum somewhere (Lower plenum being lower intake manifold). Also, just remember that the 3100's that are used in models before the 5th gen (before '98) have a slightly different coolant system, so be careful on what you use for parts on it... The timing cover side and mounts are all different and some various other things are different, but mostly just the timing cover and lower intake manifold... If it doesn't help, every engine has an engine code, similar to the VIN I think that is used to prove originality...

Anywho, I hope that helps some! Send a PM if you would like more info.

- Zero