tires? did you notice any more power when u swapped to the 5 spd? I have a similar set up with s-afcII, 4.30's, 550's, minus afpr and mine was 3450 at the track with me in it. 13.22@113.99mph at 15psi 2.373 60'. was that at mission? I will be back once the track is dry and my new clutch is in...