backfocus, I am 100 miles west of Little Rock, setup isn't big, just a 10.5 to 1 compression 306, 200cc dart iron eagles w/1.94-1.6 valves, anderson n51-hr cam, edelbrock rpm II intake, 70mm throttle body, and either a c&l 76mm or pro-m 80mm maf, I would prefer the pro-m 80, and either 24 or...