Cam/Engine Critique Please:

I think it'll be fine. You mention 3.0 gears. That exact ratio was never availeable. 2.97 or 3.21/3.23 were the closest. Tire size has a play as well. Do not go to much taller than stock. Yeild at 26 inch.

I suggest saving for tti headers.

This is in a mildly rodded '38 Chrysler. The rear is a F*rd 8" w/3.0 gears. Tires are ~27". Wheel & tire size will probably have to stay the same as under the big, bulbous fenders there really isn't much usable room, and it would just look wrong with 14".

Here's the victim: