Corvette Style Rally Wheel Backspacing?? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Acrophobia · 07-11-2010, 09:34 PM

OK guys I have read a few other threads on here and Im still a bit confused. I have an 86 GMC 2wd short bed that I am going to lower 4/6. I want to run the corvette style truck rally but Im confused on the backspacing that I need. I would like to run a 15x10 on the back with a set of 275/50/15 MT drag radials that I have from another project that I never got a chance to use. Do I need the 4.5" or the 5" backspace? I want the tires to tuck into the fenders when the truck is lowered without any rubbing issues.
Thanks.

07-11-2010, 09:34 PM	#1
Acrophobia Registered User Join Date: Jul 2010 Location: New Port Richey, Fl Posts: 92	Corvette Style Rally Wheel Backspacing?? OK guys I have read a few other threads on here and Im still a bit confused. I have an 86 GMC 2wd short bed that I am going to lower 4/6. I want to run the corvette style truck rally but Im confused on the backspacing that I need. I would like to run a 15x10 on the back with a set of 275/50/15 MT drag radials that I have from another project that I never got a chance to use. Do I need the 4.5" or the 5" backspace? I want the tires to tuck into the fenders when the truck is lowered without any rubbing issues. Thanks.

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