BLANKENSHIP'S CRAGARS & BACKSPACING

Writing down the tire sizes for Clyde Blankenship's  C10.

Fronts are 225/50/17 on __ inches, Rears are 275/40/17 on nine inches. 

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More research Rear wheel backspacing. 5" backspace would be ideal on an 8" or 9" wheel.

Front wheels.  A 6" would be a safe choice for maximum clearance.