how much RPM do you plan on twisting it?
is this your cam
https://www.summitracing.com/parts/cca- ... /overview/if so, i myself do not see the need to go any bigger than a 750. A 750 might be a little to big really.
Do you have the American open chamber 2v heads or the Aussie 2v heads? are your pistons flat top or dished?
On my .060 flat top Cleveland I have the Aussie 2v heads. I have the same intake as yours. Mine has flat top pistons so with those and the Aussie heads my compression is in the neighbourhood of 10.25. Mine ran so good with the Barry Grant 650 Speed Demon (before Holley bought them) My car is a 70 Cougar with a c4 trans and at that time had a 2500 stall and 4.11 gears and lift bars/traction bars. The best 1/4 mile time was 13.16 with an old Wolverine hydro cam 290/290 duration with .505/.505 lift. Later I knew i was going to a bigger engine so I bought a 750 Mighty Demon and put it on. It didnt go any quicker with that 750 and cam and ran much richer. So I put a bigger cam in it (see link below). That cam woke things up along with a MSD 6Al box. Ran a 12.75@106. (same intake by the way). With the bigger cam I was shifting at 6400.
this is the 13.16 run. small cam with 650 Sorry my mom was videoing for the first time.
https://youtu.be/-9IH5WDPYYMThe bigger cam I have in the 362C
https://www.summitracing.com/parts/cca-cl32-238-4The 12.75 run
https://youtu.be/1pcKcbt1Ce4