Here some of my favorite places to go on the web.

Classic Pontiac The BEST place to get answers about Pontiacs
AMES Need a Pontiac Part look NO further.
Jim Butler Need to make your Pontiac go Fast, Get it Here.
Rodney Red The BEST radiator you can buy.
Chief Many Horses Great Headers.
Bandimere Mile High Drag Racing.
Goodmark Need new Steel for your Pontiac, Get it Here
Summit Racing Need more Speed Parts at Great Prices, Get it Here
Eastwood Need good paint or hard to find tools, Get it Here

The LS1GTO Great place for answers on 2004 or newer GTO's