On the air pressure. WAAAAY high. Try it around 10psi or less. I ran 26 x 10's last year and ran those at 9psi. Now I am at 28's , so I exspect the same or a little less. When I tried my new 26's last year I started out at 12psi. I wasn't even getting full contact at 12. My 60ft's sucked and big wheels spin. I dropped a 1lb at a time until the contact area was clearly visable. Then I watched the 60ft and how the car handled at the big end. For me, too much air and the car was loose up top. I dropped 1/2lb until the loose fealing went away. Hope this helps.
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302,vortech s trim @18-20lbs showing,edelbrock performer heads-o ringed,gt 40 upper&lower, mac 1 5/8"long tubes, sub frame connectors,50/50 rear, 70/30 front, manual rack,3:55 gears, c4 , best time 10.13@135mph
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