Low compression "build" and cruise rpm?

If you wanted to go with the upper level 440 low compression build posted by 273 (with good heads), then these would be a good option with a proper converter. I'd probably go with an 800 AVS2 or a good Thermo-Quad on the CH4B.
Howards Cams, Max Certified Cam & Lifter Set, Hydraulic Flat Tappet, with 5-Year No Fault Warranty - Competition Products

MRE - PurpleShaft Cam & Lifter Kit