Look at the Compcam XE262. I agree, call the cam manufacturers and talk with their tech. The can do far better than any of us.

One change I would make is to go with rams horn exhaust manifolds instead of headers. Performance is almost as good, better if you can locate a set off a vette with 2.5" outlets. And you don't have the plug or heat problems.


Fred
52 3600
69 C-10