Re: what size lift do i need?
The rallies will work great. They are like 72chevyk10 said,3.74 maybe 4" backspace. That's what you look for on these trucks in general. Like Stocker said,even with 10" rim (in 15") the 12.50/33s will clear with 2"lift,as long as you don't get extreme.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed"
GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project)
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Tim
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