back space - Team Camaro Tech
Wheels & Tires What fits what?

 
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post #1 of 10 (permalink) Old Apr 13th, 04, 07:58 AM Thread Starter
 
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will a 15X8 rim with a 4 inch backspace fit my stock 69 camaro rear wheel well? thanks mike
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post #2 of 10 (permalink) Old Apr 13th, 04, 08:34 AM
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69 Camaro with rear drum brakes/10 bolt
15x7 you want 4.5" backspace to center the wheel in the well
15x8 you want 5" backspace to center the wheel in the well

That said, your 15x8 with 4" backspace is going to stick out an inch too much and probably put your tires in an area that will cause them to touch the outer lip

1969 Camaro - GM 2003 Electron Blue
Beck Racing 383 cu in 465HP Engine - Sean Murphy Inductions Stage 2 Quadrajet
TCI Streetfighter 350 - 3.73:1 Posi 10 Bolt Rear - 12.6 sec qtr mile

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post #3 of 10 (permalink) Old Apr 13th, 04, 10:05 AM Thread Starter
 
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i have a 12 bolt how about if i raise the car up over the tire then could i put a big tire also i found a set of 15x8 with a 4 inch backspace i really want thanks for the info...mike
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post #4 of 10 (permalink) Old Apr 13th, 04, 10:59 AM
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Well basically the tires are not going to be centered in the wheel well, they will be projecting 1" closer to the outer lip. That said, the maximum I could see fitting would be a 255/60R15 tire, and even that might scrape a little unless you have rolled your fender lips.
I have a 7" rim with 4.5" backspacing, giving 2.5" of rim projecting to the outside, you are talking about an 8" rim with 4" backspacing, projecting the rim 4" to the outside! Thats 1.5" closer to the lip than I am and my fender lips are rolled. You'll have great clearance on the inside of the fender well, but your outer clearance is going to be tight, so tight that a 255/60 might rub even with a lip rolled. 235/60 you would probably be safe with, but thats probably not as wide as you want for the rear.
Probably better to just find the right backspaced rim instead.

1969 Camaro - GM 2003 Electron Blue
Beck Racing 383 cu in 465HP Engine - Sean Murphy Inductions Stage 2 Quadrajet
TCI Streetfighter 350 - 3.73:1 Posi 10 Bolt Rear - 12.6 sec qtr mile

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post #5 of 10 (permalink) Old Apr 13th, 04, 12:17 PM
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Quote:
Originally posted by Brian Lewis:

I have a 7" rim with 4.5" backspacing, giving 2.5" of rim projecting to the outside, you are talking about an 8" rim with 4" backspacing, projecting the rim 4" to the outside! Thats 1.5" closer to the lip than I am and my fender lips are rolled.
Brian,
A 7" rim is actually 8" inches from bead to bead, thus giving you 3.5 inches to the outside, with your 4.5" backspace. His 8" rim is 9" inches wide, with a 4" backspace he will have 5" to the outside.

Mike


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post #6 of 10 (permalink) Old Apr 13th, 04, 01:36 PM Thread Starter
 
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so now im confused HELP?
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post #7 of 10 (permalink) Old Apr 13th, 04, 02:33 PM
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Mike
 
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Mike,
See if by reading this article, it will help you. It explains how to measure your wheelwells to see what will work. Depending on the tire you chose, 4" may or may not be enough. With an 8" rim 4.5" backspace (which is 0 offset) is preferred.
Read this: Backspace

Mike


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post #8 of 10 (permalink) Old Apr 13th, 04, 02:44 PM Thread Starter
 
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thanks mike
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post #9 of 10 (permalink) Old Apr 14th, 04, 04:00 AM
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i have a 69 camaro with 15x8 with 4.5" of backspacing. I do not come close to the lip on the wheelhousing. I use 275/60/15 Indy 500's (great tire) and crager's.

69 x-11..LS1, 420.88 horse to the tires,750 Holley Ultra DP, Torquer V2, darksides headers, PRC heads, 10.8:1 compression, forged bottom end, 5 speed. 2008 King Ranch F150 4x4.
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post #10 of 10 (permalink) Old Apr 14th, 04, 07:24 AM Thread Starter
 
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how about email me some pictures of the stance...mike
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