I would Run 70MM if it is Not a Race only car the 75mm might be a bit to much. I know a few Guys that WOULD NEVER put more then 65mm on a 302/306 they Say there is not need at all for a 70mm less it is a Race only car. And I am sure that 75MM is a Bit of Over kill less you Have 430+ or so.
__________________
Engine: steel mounts, Under drive pulleys, K&N, GT-40 Intake ported Lower, No power steering, No A/C, Mac cold intake, 65MM TB, 255 Fuel pump, 24's, AFR 165 58cc, Rocker Arms 1.7with the stock Cam, 1 5/8 short headers, offRoad X-pipe
Drive Train: 3.55, T-5 with a Pro 5.0 shifter
12.656@107.71MPH See It at www.T-racing.com/mustang.htm
|