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Old 09-02-2010, 08:07 AM   #7
68Stepbed
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Join Date: Mar 2005
Location: 10-Uh-See
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Re: Truck Rally's/Tire Combo

Most here will run a 255/60/15 steer 275/60/15 rear, 245/60/15-275/60/15, or 255/70/15-235/70/15 combo.

The rallies you have are probably 8" wide. GM didn't make 9" wheels. The 8" width is from the inside of the rim where the tire bead seals. I beleive the 8" rally wheels had either a 4 or 4.25" backspace.

Here's a shot of my truck with a 3.5/5 drop with 15x8 wheels with 3.75" bs running 255/60/15-275/60/15 tire combo.






The truck below is see ten's truck with 8" rallies and 275/60/15 tires all around and a 3.5/6 drop.
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68 C10 stepside, LS1/700R4, TCI Engineering suspension system

Last edited by 68Stepbed; 09-02-2010 at 08:08 AM.
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