I am gonna buy weld draglites for my car and I m really not sure what back spacing to order. I have 28x11.50-15 et streets which fit an 8 or 10 inch but i want the tire to be inside the fender well so should i get the 8 inch and what back spacing or will a 10 inch rim fit? I have a 9 bolt disc rear will I have problems clearing the calipers? any pictures would be a help

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Black 89 Iroc 5.7
355 in. SB
many other mods and more to come

 

I use 15x10 rims with 5.5 backspace. The rims are about 1/2" from the park brake cable bracket. You can't tuck the rims any farther under the fenders without going to drum brakes.



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Follow my racing progress on Stephen's racing page
and check out the race car

87 IROC-Z SuperPro ET Bracket Race Car
461 naturally aspirated Big Block

Best ET on a time slip: 11.242 altitude corrected to 10.89
Best MPH on a time slip: 121.52 altitude corrected to 125.89
Altitude corrected rear wheel HP: 497.9
Best 60 foot: 1.546

Racing at 3500 feet elevation but most race days it's over 5000 feet density altitude!
Member of the Calgary Drag Racing Association

87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley

 

will this backspace work on a 91 RS? what about the front wheels? Pics?