429244
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- Jul 12, 2013
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Heavy car, stick transmission takes more air. If you are to low the tires wad up like in the video.
I thought this: I would want the tire to give more due to the fact that it is a stick and heavy car. Therefore lower (not higher) tire pressure would be better. After reading that tech bulletin, it was my opinion that I would want more tire pressure only to increase speed and high speed stability. Less tire pressure equaled more traction.
So the next time I go to the track (early next week if it doesn't rain but I bet it will), I will try to move the UCA to the top hole and start with a higher tire pressure. Do we all agree that I start at 18 psi or should I start with more? The fact that I get traction at one track and not the other throws me off.
Frankie, Thanks for posting the video.
As for the bias ply/radial discussion, yes, I run my DD fronts with my drag tires to and at the track.
As for the gears, my head hurts thinking about gears with the 3650 and my traction problem. Sure I want 4.10's but when I drive the car, it is mostly highway miles. If I keep the 26" DR tires (cost says I will to they wear out), I will be driving the car to the track at 2600rpm. That doesn't excite me. I will be at 2500 rpm on the highway with my DD tires. If only Ford made a 3.90 gear.
Thanks for the help all.