Hey Scott,
So glad to see another Pontiac getting ready for the upcoming season. You'll have a blast running the 4spd setup. It may not be the fastest nor most consistent but you can't beat the fun factor.
I've been running a 4.10 gear in my GTO but was thinking of trying the .33's this year.
Spend time on a chassis dyno before you hit the track. That allows you to dial in the A/F ratio across the whole operating rpm range and leave the chassis tuning to the track.
Every dyno is different but you should shoot for 375-390HP at the rear wheels.
Good luck with the build . The more iv's ,the merrier!!
Bruno
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Ram Air IV M21 4.33 
www.brunoscars.com
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