Anyone planning to use GT500 CFTP 20" tires on a GT350R?

[Champale]

Hello guys,

Doing some research in advance of getting my 2020 GT350R next Spring . . . I see that Tire Rack is listing the GT500 CFTP Pilot Sport Cup2s in 305/30/20 and 315/30/20 sizes. I have spoked to Terrance/50 Deep at Signature Wheels and he said that some people are running 305/30/20 with Signature Wheels up front but are encountering some minor rubbing at full lock. I see that the FP version of this tire is slightly narrower in treadwidth than some other 305s so I am wondering if they might work.

I am not sure what the offset difference is between the 11" 350R front wheels and the new GT500 CFTP wheels?

Does anyone know if the inner fender liner is the same part number between the 2 cars?

Does anyone have any insight into running 305/30/20s at the front of their GT350? Here is the Tire Rack link:

https://www.tirerack.com/tires/tire...R0PSC2XL&vehicleSearch=false&fromCompare1=yes

Thank you in advance! If there is a thread already about this, please let me know.

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[Demonic]

I may have missed something in your question, but you know the R wheels are 19" right?

 

[Champale]

Yes . . . planning on aftermarket wheels for street use, possibly 20s . . . doing research.

 

[gregsdart]

You may be able to use a thin spacer between wheel and hub. I did it to run 18 x8.5 inch rims on a 65 dart that came with 13 x5 factory. Don't worry about running a spacer as far as strength goes. I run 1/2 inch spacers on my 8 second drag car that weighs 3050. Just be sure you have enough threads to engage for strength. Oh, and use a torque wrench!

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