Wheel size question
Thread Starter
Instructor
Joined: Apr 2007
Posts: 199
Likes: 2
From: Suffern NY
Wheel size question
I found a nice pair of aftermarket rims for my 70. The seller says they are 15 x 7 inch with 3 1/2 inch back spacing. If I calculate correctly, the distance from the mounting surface to outer rim edge should be the same as a 15 x 8 with 4 1/2 inch back spacing ( less rim between the mounting surface and inner fender skirt). Am I doing the math correctly? If I put a 255/60 r15 tire on these, will they rub in front?
Thread Starter
Instructor
Joined: Apr 2007
Posts: 199
Likes: 2
From: Suffern NY
The wheels are real cheap (less than the cost of one new rim) and happen to be 7 inch wide. I plan on using my rally's after I restore them with repro original tires. The 15 x 7's are drivers but I still want them to look correct. I don't feel like spending $1000 on a spare set of wheels and tires.
I know 15 x 8 is the stock size. My question is : If I buy these 15 x 7 rims with 3 1/2 in. backspace, will they fit within the wheel wells with 255/60's. I think they should but wanted confirmation.
I know 15 x 8 is the stock size. My question is : If I buy these 15 x 7 rims with 3 1/2 in. backspace, will they fit within the wheel wells with 255/60's. I think they should but wanted confirmation.
Le Mans Master
Joined: Sep 2003
Posts: 8,812
Likes: 2,029
From: eastern NC
255's bulge pretty good on an 8" rim... they're bound to bulge more on a 7". Tire Rack recommends 6.5 to 10", so you might give it a try to see what they look like.
http://www.tirerack.com/tires/Spec.j...56SR5RADTARWL2
Good luck... GUSTO
http://www.tirerack.com/tires/Spec.j...56SR5RADTARWL2
Good luck... GUSTO
Melting Slicks
Joined: May 2000
Posts: 2,125
Likes: 9
From: Crescent City, CA
They will fit.
I used older rims that were the same size and the same tire.
Back in the day, seems all had either 3.5 or 3.75 backspacing.
The attached pic is with the 7" rims and 255x60 tires on the back and 245x60's on the front.
Hope this helps.
Terry
I used older rims that were the same size and the same tire.
Back in the day, seems all had either 3.5 or 3.75 backspacing.
The attached pic is with the 7" rims and 255x60 tires on the back and 245x60's on the front.
Hope this helps.
Terry
Thread Starter
Instructor
Joined: Apr 2007
Posts: 199
Likes: 2
From: Suffern NY
I think you answered my question but I don't see your picture.
Jordan
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