Backspace on stock 15x8 Rally?

Discussion in 'Chevy C/K Truck Forum' started by cyberpine, Jul 26, 2009.

  1. cyberpine

    cyberpine Rockstar

    My 87 C10 2wd came with 15x8 Rallys and is stock height

    Anybody know what the backspacing on those rims is? For 15x8 they seem to sit very far in.. i would say it's greater than zero.

    If I go with a 15x10 rim with a negative and stay under or around 30 inches high or lower, will I be able to run a very wide tire all around.. say a 12 or 12.5 inch wide.

    I'm thinking 295/60/15 or 315/60/15 .. even in the front.


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