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Old Apr 21, 2018 | 11:17 AM
  #1  
rocky321's Avatar
rocky321
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Default Tire Size

08 GT. Stock 17" rims. Need new shoes. Never liked the 235/55/17 profile. I changed to Firestone Indy 500 255/45/17, but they are getting harder to find. What are you guys/gals using?

Last edited by rocky321; Apr 21, 2018 at 11:39 AM.
Old Apr 22, 2018 | 07:01 AM
  #2  
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Default Tire Size

rocky, Don't know how heavy your right foot is, but I am running the NITTO, NT555R, P245/45R17 , rear shoes, on my 1987 331 stroker Fox Body as a daily driver.I thought these tires wouldn't last long but am surprised at their longevity. As far as street manners go, I have had no issues with traction or all around handling.I am also running Michelin Pilot Super Sports, a little expensive, on my 2014 GT Premium and have absolutely no complaints about this tire.
Old Apr 22, 2018 | 07:37 AM
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Norm Peterson
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Originally Posted by rocky321
08 GT. Stock 17" rims. Need new shoes. Never liked the 235/55/17 profile. I changed to Firestone Indy 500 255/45/17, but they are getting harder to find. What are you guys/gals using?
On my '08 GT it's always been 18's, in several different sizes.

235/50-18's on 18x8.5 (OE setup)

255/45-18 Goodyear Asymmetrics on 18x9.5 GT500 wheels, which later went to

265/40-18 Michelin Pilot Super Sports on 18.9.5 GT500 wheels (yes, I know they're shorter than OE, don't care)

285/35-18 Michelin Pilot Super Sports on 18x11 Forgestar F14's for track use (even shorter, still don't care, mostly for road course use, so all four corners use this)


Norm
Old Apr 22, 2018 | 10:11 AM
  #4  
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Default Tire Size

Rocky, Norm has a beautiful line-up. I am addicted to the "Michelin Pilot Super Sport series." I am very old school, and my tire choice on the 87 331 stroker for serious traction, at the drag strip, is the YES, NITTO, NT555R, P275/50R15 on a 8.5 rim/wheel. For drag racing I love the extra side wall for unloading that stored up energy. On my 2014 GT I prefer Mickey Thompson 305/35R19 ET Street SS on Forgestar F14, 11" Piano Black , +54mm offset rims for NMRA events. Norm creates a excellent point in being honest with yourself as to what the application is going to be for proper tire function, street, strip, road course, etc. I go a little overboard with my tire choices, always for standing acceleration runs, so I, like Norm orient my tire choice to my driving/racing style. I think for your purposes, I would suggest following Norm's outline. P.S. for Norm. I am running the Michelin 295/40ZR19 on Forgestar 11 inch F14s on my 2014 GT for street application.
Old Oct 19, 2018 | 06:59 PM
  #5  
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235/55-17 Goodyear RS-A s
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