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Old 06-17-2008, 11:08 AM   #1
vabirdman
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Thumbs up Intro and a question

Hey all,

This is my first forum and will have lots of questions as time goes on. I grew up in the 60's when muscle cars abounded, but never owned one. When I finally bought one on EBay I was the victim of a huge rip-off. It's a 1968 Firebird coupe that was grossly misrepresented. At any rate it is restoreable but has been in storeage for 3 years waiting on my house to be finished. Now that I'm about ready to start the dismantling I'm sure lots of question will come up, especially since I'm a novice at this. First thing I'd like to know: From what I understand about the Pontiac V8 engines, the same block was used (unlike Chevy) and the displacement was based on the bore & stroke. That being said, are there any issues with boring a Pontiac 350 to make it a 400? I believe with boring a Chevy 350 there are problems with cylinder wall thickness.

Thanks in advance....
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Old 06-18-2008, 02:15 PM   #2
MrPbody
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Re: Intro and a question

birdman,

Welcome aboard! Too bad the car was misrepresented, but you got a keeper there! Firebird is the cream of the GM pony-car crop.

No, you can't bore a 350 Pontiac to make it a 400. The external dimensions of the blocks are the same, it's true. But the castings are not identical. Wall thickness is as much, if not more an issue with them, as with that era of small block Chevy.

For the engine, I would recommend first things first. Arm yourself with current and accurate information. Jim Hand's "How to Build Max-performance Pontiac V8s", published by SA Designs, is the best book out there today, for a street Pontiac. Lots of good information there!

Performance Years and Ames Performance are also your best sources for restoration parts. Their prices are competitive and they don't sell Chevy parts. Pontiacs ONLY. Many of the resto-houses sell both, and you get what ever they think "fits". Camaros and Firebirds are similar, but not identical.

I happen to be a Pontiac "bigot", so feel free to PM me or post any questions here. I'll keep an eye on ya!

Jim
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