Cobra37 Posted February 12, 2018 Report Share Posted February 12, 2018 What will happen if I put 20" wheels on all four corners of my 2012 Shelby? It has 19"s on the front originally, so will the 20"s screw up my steering or wheel clearance? Quote Link to comment Share on other sites More sharing options...
twobjshelbys Posted February 12, 2018 Report Share Posted February 12, 2018 You would have to resize the tires to keep the same radius. It is possible that keeping the same wheel sidewall size (ie, also increasing tire radius) would work but it is also possible that the wheels would rub or contact on turns and bumps. You'd have to check. Tire Rack can usually tell you if it will work. Quote Link to comment Share on other sites More sharing options...
Cobra37 Posted February 12, 2018 Author Report Share Posted February 12, 2018 yeah, its probably not going to happen, I'll just stay with my 19 and 20's as Shelby intended it. Quote Link to comment Share on other sites More sharing options...
andrewnagle1964 Posted February 12, 2018 Report Share Posted February 12, 2018 https://www.discounttire.com/learn/tire-size-calculator Quote Link to comment Share on other sites More sharing options...
BLUE 2010 SHELBY GT 500 Posted April 6, 2018 Report Share Posted April 6, 2018 its fine to change to 20' all around , i have front 255/35/20 rear 305/35 20 on my 2010 gt 500 and the car is very low and have NO issues Quote Link to comment Share on other sites More sharing options...
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