28x12.5x15 ET streets on 15x10 welds? - 460 Ford Forum
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post #1 of 5 (permalink) Old 03-30-2012, 01:26 AM Thread Starter
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28x12.5x15 ET streets on 15x10 welds?

I am currently running 28x11.5x15 et streets on 15x10 draglites on my 70 torino. I have 5/8" clearance on fender side as well as spring side. The tire section width measures 12.25" on my 10" rim. Id like to run a 28x12.5 et street if possible. Mickey thompson says they have a 12.6" section width on a 10" rim. Just wonderi.g how acurate this is? Anyone ever measure one for real. At 12.6 ill still have about 1/4 to 3/8" all around, any wider and itll probably rub. Do ylu guys think itll fit. Is a 1/4 clearance too close on a street / strip car with calvert mono leaf and caltracs. Just wondering if my 10" rims are stretching the 11.5's too much and compromising the effectivness of the side wall. (M/T says the 11.5 et street only has a 11.1" section width on an 8" rim and its up to 12.25" when measured on my 10" rim.)
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mat
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post #2 of 5 (permalink) Old 07-17-2012, 03:10 AM
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I run that 12.50 et on my 15x10 prostars with no problem stretching. They probably will rub when going in and out of parking lots, if I get a chance i'll measure mine tomarrow
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post #3 of 5 (permalink) Old 08-15-2012, 05:36 PM
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I have ran both the sizes you specified with 10" Welds. No problem with each. The sidewalls may rub slightly with the widened section with and turning corners, otherwise shouldn't be an issue. 12.6 does sound about accurate from what I remember measuring.

85 Mustang GT, Ice Blue, A460 headed 572, [email protected], 70 Mach 1 428 CJ, 69 Boss 9 clone, 1973 'cuda 340, 68 Barracuda SS/AH clone project, 67 GT390, 64 Cutlass, 1964 Fairlane 500 Thunderbolt clone, 78 King Cobra.
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post #4 of 5 (permalink) Old 01-10-2015, 09:50 PM
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Quote:
Originally Posted by matpasch View Post
I am currently running 28x11.5x15 et streets on 15x10 draglites on my 70 torino. I have 5/8" clearance on fender side as well as spring side. The tire section width measures 12.25" on my 10" rim. Id like to run a 28x12.5 et street if possible. Mickey thompson says they have a 12.6" section width on a 10" rim. Just wonderi.g how acurate this is? Anyone ever measure one for real. At 12.6 ill still have about 1/4 to 3/8" all around, any wider and itll probably rub. Do ylu guys think itll fit. Is a 1/4 clearance too close on a street / strip car with calvert mono leaf and caltracs. Just wondering if my 10" rims are stretching the 11.5's too much and compromising the effectivness of the side wall. (M/T says the 11.5 et street only has a 11.1" section width on an 8" rim and its up to 12.25" when measured on my 10" rim.)
Thanks
mat
what backspacing are you running? 6.5? looking at running the same size on my 71 torino this would help a lot!
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post #5 of 5 (permalink) Old 01-17-2015, 01:46 AM
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I used to run M/T Sportsman Pro's 12.50 x 28 x 15 on my 68 Torino. The 68 / 69 Torino has a smaller wheel area than the 70 and later models.
Needless to say, it rubbed big time on the fender lip, as well as rubbed on the leaf springs.
The springs were nothing special anyways, so I ground out some notches for tire clearance!!
Then rolled the upper wheel lip, and trimmed some metal here and there.

As the world turns...I get more dizzy!
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