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Old 08-14-2007, 09:01 PM   #1
c10crazy
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Tires/rims- How BIG????

I'd like to hear how big of a 15" tire you can fit under a coil spring rear and how much backspace will work?.
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Old 08-14-2007, 09:13 PM   #2
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Re: Tires/rims- How BIG????

I had BFG 295/50/15's on my slammed 70 stepside using 73-87 8" rally's
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Old 08-15-2007, 08:24 AM   #3
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Re: Tires/rims- How BIG????

I've seen some 28x12.5 tires work but i don't know what backspace was used.
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Old 08-15-2007, 08:40 AM   #4
ChevLoRay
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Re: Tires/rims- How BIG????

I have 15x10's on the back of my truck, with a 5-inch backspace. The tires are 275-60's. Plenty of room.
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Old 08-15-2007, 09:47 AM   #5
70c10
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Re: Tires/rims- How BIG????

I think 14" overall width is about max. I'd like to try a N-50
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Old 08-15-2007, 05:13 PM   #6
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Re: Tires/rims- How BIG????

I have 265/35ZR22 in the front and 305/40R22 on the rear with very little rubbing only going in drivways.Dont rub as i am driving witch i like here are some pics. 1970 C10 SWB with a 68 nose job
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Old 08-15-2007, 06:19 PM   #7
bad6772
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Re: Tires/rims- How BIG????

my rear rims are 17/12 i run 355/55/17s in the rear the tires are about 13 inches wide and . i think i have a 5 or 5.5 back spacing its close . but it doesnt touch...... the front are 285/40/17 and the front rims are 17/12 with a 5inch back spacing......hopr this helps...........tony

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Old 08-20-2007, 09:52 PM   #8
c10crazy
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Re: Tires/rims- How BIG????

Thanks for all the replies. I'm definitely staying with a 15" rim and tire to save money. I've decided on a 10" wide rim (don't know what kind yet) so is a 5" -5.5" the deepest backspace that will work with no mods??
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