Stuart and hobbygto65 mentioned the PY Parts Lookup database. It's a perk you get when you become a Pontiac Journal subscriber. It's basically a database you can enter GM part numbers into and get their applications. If you have a GM# and want to know the application, it can be really convenient.
Here's a link describing how it works:
http://forums.maxperformanceinc.com/...35#post2599935
And here is how to subscribe to the Pontiac Journal:
http://forums.maxperformanceinc.com/...bscription.php
Steve
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"No you fool, we're following orders. We were told to comb the desert so we're combing it."