Wheel Backspacing - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Tim Christian** · 04-06-2002, 06:02 AM

As Mike C said it is hard to answer this question but I have asked it myself on my daily driver(fleetside) which has a 72 frame under it(this rearend is longer than my 67) I have 15x10's with 4-1/4 back spacing running 275/60/15 tires and on my ground up a orginal 67 stepside I am running 15x10's with 275/60/15's with 4-1/2in backing spacing. So like 71GMCstreet said about 4-3/4in is about all you are going to get without mods.

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67 GMC Stepside(UNDER CONSTRUCTION)
67 GMC Custom
67 Chevy C-30

04-06-2002, 06:02 AM	#7
Tim Christian Senior Member Join Date: Dec 1999 Location: TN/VA Posts: 6,393	As Mike C said it is hard to answer this question but I have asked it myself on my daily driver(fleetside) which has a 72 frame under it(this rearend is longer than my 67) I have 15x10's with 4-1/4 back spacing running 275/60/15 tires and on my ground up a orginal 67 stepside I am running 15x10's with 275/60/15's with 4-1/2in backing spacing. So like 71GMCstreet said about 4-3/4in is about all you are going to get without mods. ------------------ 67 GMC Stepside(UNDER CONSTRUCTION) 67 GMC Custom 67 Chevy C-30



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