Dave,
Sounds good to me.
The Webers and cam should make your motor run very well. Any clean up you can do in the intake/exhaust/valve area will definately bring more results and better all around performance. Porting and polishing is the easiest to do. What width is your stock differential? I measured from backing plate to backing plate. I believe the Camero was 61". I used a 1968 nova which has a 60" width so I could use wider tires and offset rims. I run 15"x8.5" rear wheels with a 3.5" rear offset. The tires are Diamondback Classics 275-75/15. 31" tall by 9.5" wide. Big mommas and weigh approx. 50lbs each mounted. funny, I don't have any problems spinning the crap out of them!
RapRap
1940 ChoppedChevyCoupe