Rear wheel size and backspacing - Team Camaro Tech
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post #1 of 8 (permalink) Old Jan 19th, 12, 05:21 PM Thread Starter
Dan
 
Join Date: Aug 2010
Location: NY
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Rear wheel size and backspacing

Hey guys been searching forums and still cant make up my mind. i wanna get a new set of 15" wheels on my 69. all stock suspension. i dont wanna do any mods like rolling the fenders or cut them. what would be the best fit for a 275/60/15 tire or even a 255/60/15. i wanna do either a 15x10 or a 15x8 wheel. what would be the best backspacing that i wont rub. thank guys.
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post #2 of 8 (permalink) Old Jan 19th, 12, 05:40 PM
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Jack
 
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Re: Rear wheel size and backspacing

I used a 15x8 rim with 4.5 bs on 275/60/15 dr. No rubbing.
But the quarter panel lip is rolled.

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post #3 of 8 (permalink) Old Jan 20th, 12, 07:11 AM
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Eric
 
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Re: Rear wheel size and backspacing

I've got 255/60/15 on wheel vintiques 15x8 rally 4.5 backspace, no rub ever, wondering if I could do 275 with no rub??? I think 4.5 is the best b.s. for no rub.
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post #4 of 8 (permalink) Old Jan 20th, 12, 07:32 AM
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Barry
 
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Re: Rear wheel size and backspacing

I didn't want my tires sticking out the way do with 15x8 4.5BS wheels so I went with 15x8 5BS. The 15x7 trim rings from my old wheels fit perfectly on the new wheels. The tire I have is 255/60-15 and there's no rubbing at all. I've got over a 1/4" clearance on the inside, more on the outside, but didn't want to chance it with a 275 tire. I've got Hotchkis 1.5" drop springs too.
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post #5 of 8 (permalink) Old Jan 20th, 12, 11:43 AM
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Dave
 
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Re: Rear wheel size and backspacing

Id like to know also as i need to buy new drag radials for spring. When i bought the car it had 275/60/15's with air shocks. I dont remember how much room there was without air in the shocks. I do remeber they contatced the larger air shock boddy and left rub marks occasionally.
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post #6 of 8 (permalink) Old Jan 20th, 12, 04:56 PM
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mike
 
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Re: Rear wheel size and backspacing

I have the 275/60's on mine 4.5 backspace no rubbing and with the drag radials with the bigger sidewall the car does hook better and the ride is a little softer. I have nitto and like them heard hoosiers and mickeys hook better but not as rain friendly
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post #7 of 8 (permalink) Old Jan 20th, 12, 05:30 PM Thread Starter
Dan
 
Join Date: Aug 2010
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Posts: 8
Re: Rear wheel size and backspacing

Thanks for all the help guys, really appriciate it.
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post #8 of 8 (permalink) Old Jan 20th, 12, 05:33 PM Thread Starter
Dan
 
Join Date: Aug 2010
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Re: Rear wheel size and backspacing

Heres a pic of the car now with the 14s a little small for my liking.
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