Reply to "narrow body wheels"

joules"Racing is Life, anything before or after is just waiting" - Steve McQueen

quote:
You start to measure backspacing by placing the wheel face down. Then you run a straight edge on the outermost part of the rim at the beadseat spanning the center of the back of the wheel. You then take a tape measure and measure the distance from the back face/pad where the wheel mounts to the car (where the lug nuts go through) to the bottom of the straight edge. On my wheels (for a 5-S, 13" wide at the rear), this distance is 5".

Be careful here as this is not the definition of backspacing to all wheel manufacturers. Often backspacing is from the hub center mounting surface to the tire bead flange i.e. minus the lip edge. Kodiak Motorsports has a worksheet that explains the various measurements pretty well here; Kodiak Worksheet I recommend to ask your supplier HIS definition of backspacing prior to ordering.

6/4/089:42 PM

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