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2Likes
09-23-2015, 09:44 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
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?
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-23-2015, 10:21 PM
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CC Member
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Join Date: Sep 2002
Location: Phoenix,
AZ
Cobra Make, Engine: FFR: 302 w/aluminum heads, Edlebrock injection. Street car trim, no scoop, side pipes or rollbar.
Posts: 1,869
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Not Ranked
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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"Cobra-Cobra-bo-bobra, banana-fanna-fo-fobra, fe-fi-mo-mobra...Cobra!"
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09-23-2015, 10:46 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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I run a 28-12-15
A 275-50-15 would be way to short (25.83") IMO.
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
Last edited by DWRAT; 09-23-2015 at 10:51 PM..
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09-23-2015, 10:51 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by Maricopa
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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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.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-23-2015, 10:55 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by DWRAT
I run a 28-12-15
A 275-50-15 would be way to short (25.83") IMO.
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What tire are you running?
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-23-2015, 10:57 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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Quote:
Originally Posted by Got the Bug
What tire are you running?
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Mickey Thompson SR
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
Last edited by DWRAT; 09-23-2015 at 11:01 PM..
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09-23-2015, 11:01 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by DWRAT
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
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The closest equivalent to that size in the SS would be 295/55/15.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-23-2015, 11:05 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
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Quote:
Originally Posted by Got the Bug
The closest equivalent to that size in the SS would be 295/55/15.
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Why not get the 275-60-15???
I think the 295-55-15 may rub.
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
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09-23-2015, 11:08 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
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__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
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09-23-2015, 11:09 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by DWRAT
Why not get the 275-60-15???
I think the 295-55-15 may rub.
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I think you're right. Thanks.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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09-24-2015, 03:02 AM
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CC Member
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Join Date: Apr 2007
Cobra Make, Engine: Superformance MkIII
Posts: 29
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Not Ranked
295 50 15's are great.
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09-24-2015, 03:33 AM
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CC Member
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Join Date: Jun 2010
Location: North of Toronto,
Ont
Cobra Make, Engine: Superformance #1950, Roush 402R, TKO600
Posts: 552
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Not Ranked
I run the Mickey Thompson ST 295/50/15 Great tire.
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09-24-2015, 10:37 AM
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CC Member
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Join Date: Sep 2002
Location: Phoenix,
AZ
Cobra Make, Engine: FFR: 302 w/aluminum heads, Edlebrock injection. Street car trim, no scoop, side pipes or rollbar.
Posts: 1,869
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Not Ranked
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.
__________________
"Cobra-Cobra-bo-bobra, banana-fanna-fo-fobra, fe-fi-mo-mobra...Cobra!"
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09-24-2015, 11:37 AM
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CC Member
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Join Date: Jan 2005
Location: Rancho Cucamonga,
ca
Cobra Make, Engine: SPF 239
Posts: 820
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Not Ranked
325-50-15 REAR
275-50-15 FRONT
d-cel
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09-24-2015, 01:50 PM
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CC Member
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Join Date: Sep 2001
Cobra Make, Engine:
Posts: 678
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Hey guys post up some pics with the 275/60 and the 325/50
__________________
Dan
427 CSX 3000/4000 and Shelbys.
All gone ! Was a Hell of a run
Now ... The dogs car
Mercedes E63S station wagon. 603hp
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09-24-2015, 02:10 PM
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CC Member
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Join Date: Jan 2005
Location: Rancho Cucamonga,
ca
Cobra Make, Engine: SPF 239
Posts: 820
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Not Ranked
Ok here are some 325,s
and here are some 275's...
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09-24-2015, 04:32 PM
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CC Member
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Join Date: Aug 2009
Location: Phoenix,
AZ
Cobra Make, Engine:
Posts: 1,956
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Not Ranked
Quote:
Originally Posted by D-CEL
Ok here are some 325,s
and here are some 275's...
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Any wheel well rub with those big meats?
__________________
FFR MK1---Sold
Superformance #884 --- Sold
No more Furds.
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09-24-2015, 07:21 PM
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CC Member
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Join Date: Jan 2005
Location: Rancho Cucamonga,
ca
Cobra Make, Engine: SPF 239
Posts: 820
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Not Ranked
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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09-25-2015, 06:39 PM
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CC Member
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Join Date: Jun 2010
Location: Chattanooga,
TN
Cobra Make, Engine: Superformance # 1774 / 392 Stroked Windsor
Posts: 464
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Not Ranked
295-50-15. Lots of room on a Superformance. No rubbing.
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09-25-2015, 09:19 PM
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Senior Club Cobra Member
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Join Date: Oct 2006
Location: Santa Cruz,
CA
Cobra Make, Engine: SPF 2613 Titanium w/Black, Roush 402SR
Posts: 4,097
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Not Ranked
Quote:
Originally Posted by TN Shelby Cobra
295-50-15. Lots of room on a Superformance. No rubbing.
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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.
__________________
Doug
No stop signs, speed limit - Nobody's gonna slow me down - Like a wheel, gonna spin it
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