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  #1 (permalink)  
Old 09-23-2015, 08:44 PM
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Default What 15" rear tires on your SPF?

Just curious what 15" rear tires most people run on the back of their Superformance.

Stock spec is 275/60/15. Many people run 295/50/15.

Anyone run a 275/50/15?
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Old 09-23-2015, 09:21 PM
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Anyone run a 275/50/15

Essentially unavailable any longer. Only one I could find online to replace my ancient BF Goodrich's was essentially a drag tire.
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Old 09-23-2015, 09:46 PM
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I run a 28-12-15
A 275-50-15 would be way to short (25.83") IMO.
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Old 09-23-2015, 09:51 PM
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Quote:
Originally Posted by Maricopa View Post
Anyone run a 275/50/15

Essentially unavailable any longer. Only one I could find online to replace my ancient BF Goodrich's was essentially a drag tire.
I'm looking at the new MT tires:

ET Street S/S
A street tire that can be driven on the track
Mickey Thompson Performance Tires & Wheels

I'm running 295/50/15s on the back of my SPF. They don't make a 295/50, but they do have a 275/50.
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Old 09-23-2015, 09:55 PM
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Quote:
Originally Posted by DWRAT View Post
I run a 28-12-15
A 275-50-15 would be way to short (25.83") IMO.
What tire are you running?
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Old 09-23-2015, 09:57 PM
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Quote:
Originally Posted by Got the Bug View Post
What tire are you running?

Mickey Thompson SR
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Last edited by DWRAT; 09-23-2015 at 10:01 PM..
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Old 09-23-2015, 10:01 PM
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Quote:
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Quote:
Originally Posted by DWRAT View Post
I run a 28-12-15
A 275-50-15 would be way to short (25.83") IMO.





Mickey Thompson SR
The closest equivalent to that size in the SS would be 295/55/15.
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Old 09-23-2015, 10:05 PM
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Quote:
Originally Posted by Got the Bug View Post
The closest equivalent to that size in the SS would be 295/55/15.
Why not get the 275-60-15???
I think the 295-55-15 may rub.
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Old 09-23-2015, 10:08 PM
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You may like this tire size web site. Tire Size Calculator & Converter, Tire Size Conversion | Discount Tire
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Old 09-23-2015, 10:09 PM
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Quote:
Originally Posted by DWRAT View Post
Why not get the 275-60-15???
I think the 295-55-15 may rub.
I think you're right. Thanks.
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Old 09-24-2015, 02:02 AM
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295 50 15's are great.
TN Shelby Cobra likes this.
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Old 09-24-2015, 02:33 AM
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I run the Mickey Thompson ST 295/50/15 Great tire.
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Old 09-24-2015, 09:37 AM
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ET Street S/S
A street tire that can be driven on the track
Mickey Thompson Performance Tires & Wheels

I'm running 295/50/15s on the back of my SPF. They don't make a 295/50, but they do have a 275/50.


Fine...well really not 'fine' for the back but they specifically warn those are not to be used on the front end. Basically a grooved drag slick.
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Old 09-24-2015, 10:37 AM
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325-50-15 REAR
275-50-15 FRONT






d-cel
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Old 09-24-2015, 12:50 PM
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Hey guys post up some pics with the 275/60 and the 325/50
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Old 09-24-2015, 01:10 PM
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Ok here are some 325,s

and here are some 275's...

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Old 09-24-2015, 03:32 PM
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Quote:
Originally Posted by D-CEL View Post
Ok here are some 325,s
and here are some 275's...
Any wheel well rub with those big meats?
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Old 09-24-2015, 06:21 PM
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Dwrat,

For me, Rubbing is a function of ride height
When the car was blue-white the rear fender lips sat at 28.5 and the at 27.5 it had no rub issues.
Now that the car is silver it sits at 26.75 in the rear and 25.25 in the front.
It rubbed hard (on big bumps) on the inner radius behind the drivers seat
So I cut out and replaced the inner wells with formed aluminum sheet pieces that offer the needed clearance.

In the front I clearanced the quick jack brackets.

But, you would check them your own car.

Jason
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Old 09-25-2015, 05:39 PM
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295-50-15. Lots of room on a Superformance. No rubbing.
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Old 09-25-2015, 08:19 PM
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Quote:
Originally Posted by TN Shelby Cobra View Post
295-50-15. Lots of room on a Superformance. No rubbing.
I'm running 295/50/15s on the back. My car is set up really low, so I have experienced a little rubbing if I hit a big dip on a road.
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