1, 5, 6a & b

Then, time permitting 2 or 4.

If they aren't "close" ootb...... It can really eat up dyno time trying to sort them out.

IMO, with limited dyno time available, if you bolt one on and it's just out to lunch...... I'd put that one aside and try a different one.

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads