That one of the best sleepers iv seen in a while.

 

Have you tried lower pressure in the tires? Might have better luck around 32psi.

 

there is way to much air in the tires. i would try closer to the 25-20 lb area. it worked for me in 2wd since i cant spin all 4 lol.

 

I personally wouldn't advise going below 30psi in all four tires since you will be hitting almost 100mph out the back. Steering stability is important. But i agree: your tire pressure is too high, especially on ATs. 10psi less should make a big difference.

 

I agree. I don't feel comfortable dropping air pressure too much in a 5,100lb truck going 100mph. I'm going to drop them to about 30psi next time out and strap the front end down.

 

let us know how it goes