90Notch said:....But for those who say the larger head won't compare to stockers down low look at ndmp40 combos (from Corral.net), stock short block, AFR185s and heavily ported stock intake he made 305 ft-lbs of torque to the rear wheels at 2250rpm. Show me one set of ported stock heads that make comparable performance.
290ft-lbs @ 2,000-2,300 rpm and a new shot at more in the spring with unported but NMRA F/S prepped GT40P heads.