livefast1

hi i just been wonderin this for a while. i know there are like 4 different 4 valve head castings and i was wondering if any of you have tried running navigator heads as an alternative to p and p heads. i heard they had a huge intake port and decent cams. i was jus wondering............

97targa

Aviator heads have the best overall casting. The navi has low end torque which will lose you top end HP and you will only rev at 5600rpms I believe

livefast1

kool i just thought the big intake ports might be beneficial to the supercharged svt's