Here are a few of my favorite message boards.
Lets face it, no one can know everything about a car, so sometimes we need to ask. If you have a question one of these message boards will have an answer for ya.

Got message boards?
F-body page Welcome to the F-bodypage message board.
Boyle Works Yet another Pontiac site, this site too has an excelent message board.
Classical Pontiac This site has a great message board along with archives that span back quite a while. If you have a pontiac question that you can't get answered here, there isn't an answer for it.
Camaros.net Here is a Camaro site that has an excelent message board.

Favorite Sites
Third Gen site Here is a site for all of you who own an 82-92 Camaro or Firebird. Message boards, chat rooms, FAQs... sigh, way more than i can list here.
Pontiac Warriors If you are contimplating a cam swap in your pontiac then I highly suggest that you go here. This site has dyno estimates from a desktop dyno, it has a LOT of very useful information.
Own a 78-83 Malibu? Here is a site with a message board, this site aimed towards the 78-83 malibu croud, but still has a lot of useful Chevy info.
C6 firebird This is another site that I write for, there are many helpful tips and articles. This site also has quite a few useful links.
Chevy Talk Here is a message board for just about anything chevy related.
Nasty Z28 This is a good message board for 2nd gen (70-81) Camaros, if you have a question, SOMEONE here will have an answer.
Real Olds Power Ok, Lets face it. Many firebirds rolled off the line with Oldsmobile 403s, so there will be some questions about Oldsmobiles
If you like to rant If you like to rant and rave, or of you would like to voice your opinion about something go here.