15x7 or 15x8 steel wheels - TCCoA Forums
 
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post #1 of 11 (permalink) Old 10-06-2009, 08:02 PM Thread Starter
 
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15x7 or 15x8 steel wheels

I am considering using a tbird for a dirt oval car. One of the issues stopping me is finding 15 x 7 or preferably 15 x 8 steel wheels. Truck steel aftermarket is preferred due to their strength. something like this: http://www.americastire.com/dtcs/fin...5443&rc=CAFINTCan anyone lead me in the right direction. One of the rules for the class is that you have to use stock brakes/hubs.
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post #2 of 11 (permalink) Old 10-07-2009, 04:41 PM
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That rim will not work, the t-birds have a 5X4.25 & that wheel is 5X4.5.
I think the biggest steel wheels on MN12 is 15X6 but I could wrong.
hope this helps.

"I did not brake it I modified it"
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post #3 of 11 (permalink) Old 10-07-2009, 05:23 PM
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Stock brake/hub that is easy use the stock mustang stuff.
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post #4 of 11 (permalink) Old 10-08-2009, 02:40 AM
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Simplest solution would be to just drill the steel wheels to the correct bolt pattern.

Brad

1990 & 1994 SC's
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post #5 of 11 (permalink) Old 10-25-2009, 06:09 PM Thread Starter
 
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I have found a source for blank 15 x 7 or 8 dirt track wheels who will drill them to 5 x 4.25 (Diamond Wheels). The one thing that I still need is the correct back space for the tires. Anybody with oval track experience also play with different back spacing from right to left side? Looking for back space that will keep 8" max tread width (class rules) inside the fender wells for protection.
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post #6 of 11 (permalink) Old 10-25-2009, 07:49 PM
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15 X 7's

Hello

I have used the Explorer wheels. They are 15X7's with about 4 3/4 back-space
I would also due the Mustang front hub swap. 94up spindles.

you can get the rear hubs redrilled or purchase some from Fasted

Look at some of my posts --tbirdtess--

I would not redrill factory steel wheels!


My wheels just fit under the wheel wells. We run Towel City's on 980 Hoosier cases.
I run asphalt on a 1/2 mile oval.

A brake upgrade is recommended.

Paul

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1990 Thunderbird Circle Track Street Stock
351W 2bbl.
C-4 Auto
3.90 open rear
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post #7 of 11 (permalink) Old 10-25-2009, 08:28 PM Thread Starter
 
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Thanks for the great info. I was planning on using reinforced center pro series dirt wheels from Diamond Racing. They have pro series blanks that they can drill the 5 x 4.25 into. Those pictures are very scary. I made a decision up front not to try and use stock steel wheels/snow wheels due to the potential that what you had happened would come to my car.

How wide are the Hoosiers?
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post #8 of 11 (permalink) Old 10-26-2009, 09:31 PM
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I dont see how you can attribute the dual pattern to the failure of the center section by that photo.

Some OE steel wheels are going to simply be stronger than others. That particular wheel looks rather weak in the outter area of the failure.

Brad

1990 & 1994 SC's
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post #9 of 11 (permalink) Old 10-27-2009, 10:56 AM
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To be fare

Hello

I race that wheel on the Right Rear for 5 seasons. I also had a loose lug.
PLUS we started using A new Rearing tire. Taller & wider, slick.

The tread width is 8in, But the tire is almost 11in wide at side walls.

That wheel came from a Ranger. I have Another set from an Explorer, They are heavier(Better built).

I just purchased A set of New rear hubs from fastEd.
Also looking into Racing wheels A around. 15X7 is our rule.

Paul

Paul [email protected]
1990 Thunderbird Circle Track Street Stock
351W 2bbl.
C-4 Auto
3.90 open rear
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post #10 of 11 (permalink) Old 10-28-2009, 07:19 AM Thread Starter
 
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The search is because of our rule set that states "maximum 8 inch width wheel with an 8 series DOT tire". "Must use stock axles, hubs, brakes". Most of the T-Bird steel wheels or steel snow wheels are 15 x 6 or 15 x 6.5 and not of the thickness or strength to put up with the banking, eventually rough/rutted dirt surface, and car to car contact.

Going with a reinforced racing wheel is probably a must. Diamond Wheels is the only source that I have been able to locate thus far and was hoping there was other options.
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post #11 of 11 (permalink) Old 10-28-2009, 07:20 PM
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15X8's

Hello

15X8's should fit with a 5in backspace. Problem is they don't go to 5in back space.

I am looking for a 7in with a 4in back space. Hard to find.

The heavy Explorer wheels should work fine. They are 15X7.
But they are 5 on 4 1/2in bolt pattern.

I am swapping to this pattern because the wheels are easier to find.
You must be careful when upgrading your brakes that they fit under 15's!

Paul

Paul [email protected]
1990 Thunderbird Circle Track Street Stock
351W 2bbl.
C-4 Auto
3.90 open rear
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