Need chassis setup advice.

rush

rush

New member
Joined
Aug 10, 2007
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319
I need some input from people on my setup. Truck will run 123mph in the 1/4 but my 60 ft.'s are brutal. 1.74-1.78. the best i have ever done is 1.70. I am running 30.5 in. tall Toyo proxies, caltrac's set at about a 1/4 turn preload, overload leaf pulled, and Rancho 9000's set on 1. Is it possible i am to soft in the rear? This is on a GMC.

Kelly
 
From your video it looks as though you are two soft in the rear the way it bounces out of the hole like it does. I'm suprised it hasnt broke a universal launching like that.
 
Set the Ranchos to 9. What pressures are you running in the tires?
 
Have you tried running a little more tire pressure in the back tires? I've had the best luck with 30 front and 25 rear.
 
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