Quote:
Originally Posted by 04ls1gto
I think that I will stay with current gears as traction is a problem already. Tires are 245/45/20 which are 28.7 tall. I have a Detriot Trutrac in my GTO and like it so I was thinking about doing one of those
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I am running a Trutrac in my 90 3/4 Ton Suburban and really like it. I am running 4.10 gears but have a 33" tire. I am putting an LS3 E-Rod in but already am running a 4L80 and with the tires I am only turning 2500 rpms at 75 mph.