compresion test of 125lb. Cam question

The Abody is 2900lb w/ driver , old installation in Ebody 3300w/Dr.
No way to tell compression ratio too many unknowns.
Torque conv. is 2800 (flash) stall, custom for this engine/car combo, from local Santa Rosa CA. rebuilder and fellow racer of Abodys, it's allowed the engine to idle in gear without tugging. The old conv. was stock High Stall, Flash/2500.
I use pump gas now, used to use Blue premium Aviation fuel from the Shellville Airport, Sonoma. Probably the difference is fuel, 1.6 rockers and taller gear, but it's lighter now. Same 998 trans.
O.K. What is a good Lunatti solid flat tappet cam for aprox. 9.8-10 to 1 , 355 cu. and stock crank? I can guess, but I need expertise to justify the new work. Thanks people.