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335 vs. 345 rear tire fitment


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#1 NashvilleGTR

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Posted 08 April 2021 - 08:10 AM

I have ordered a set of the Advan GT's in standard GT-R fitment 20x10 +35 & 20x12 + 20. I am having a hard time finding Michelin 4s in 335 for the back but can get 345 easy.

Will a 345 cause any issues on stock suspension car?

#2 NashvilleGTR

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Posted 08 April 2021 - 08:27 AM

I just found a post showing that a 295 in front and 345 in back is optimal as far as overall diameter is concerned but no mention if there is any rubbing issues.

#3 droptopp

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Posted 08 April 2021 - 09:07 AM

Advan GTs are a great choice, my favorite setup. Lighter than the stock rims and wider. You will be fine.
Cicio Performance billet Crank 4.1 w/ CP billet pistons, Zenith R turbos, Cicio wet sump oling upgrade, flex fuel, ETS mid, down pipe, race FMIC, STM titanium axle back, ID2000s, Shep One K with drop gears, DS Axles, Volk Saga 18 10/12 (MT ET Streets), Advan GT Premium 20 R888. 1450+ hp / 1210+ tq

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#4 NashvilleGTR

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Posted 08 April 2021 - 12:32 PM

What are your thoughts on the 295 front & 345 rear? I just don't want to spend $2k on tires and have buyers remorse.

Edited by NashvilleGTR, 08 April 2021 - 12:32 PM.


#5 droptopp

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Posted 08 April 2021 - 01:58 PM

SpecificationsMICHELINPILOT SPORT 4S: 285 27.9 / 746 rpm 295 28.1 / 740 rpm 345 28.2 / 738 rpm As long as the actual measurements are close, the 295/345 is a better option. Others can comment. I think actual measurements varied significantly with some tires.

Edited by droptopp, 08 April 2021 - 02:00 PM.

Cicio Performance billet Crank 4.1 w/ CP billet pistons, Zenith R turbos, Cicio wet sump oling upgrade, flex fuel, ETS mid, down pipe, race FMIC, STM titanium axle back, ID2000s, Shep One K with drop gears, DS Axles, Volk Saga 18 10/12 (MT ET Streets), Advan GT Premium 20 R888. 1450+ hp / 1210+ tq

Old setups : more AMS motors than anyone I know - Alpha 9 w/ AMS 3.8, GTX3582R Gen II w/ AMS 4.1 billet crank, GTX3582R Gen II w/ AMS 4.0 big bore billet crank and of course FBO E85.

#6 NashvilleGTR

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Posted 08 April 2021 - 02:46 PM

I agree on paper it looks like a terrific match. I used willitfit.com and it SEEMS like it would work.

#7 AutoXGTR

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Posted 08 April 2021 - 06:00 PM

I have ordered a set of the Advan GT's in standard GT-R fitment 20x10 +35 & 20x12 + 20. I am having a hard time finding Michelin 4s in 335 for the back but can get 345 easy.

Will a 345 cause any issues on stock suspension car?

 

For Michelin Pilot Sport 4S to fit your wheels 20x10 front and 20x12 rear. Assuming OEM suspension for clearance in front.

 

Front 295/35-20  fits rims 10-11.5" wide, perfect for 10.5" wide rim, tire diam. 28.1" 

Rear 345/30-20  fits rims 11.5-12.5" wide, perfect for 12" wide rim, tire diam. 28.2" 

 

Alternatively you can use 285/35-20 (perfect fit for 10" wide rim, tire diam. 27.9") on the front wheels.

 

Should have no problems with 345/30-20 on 20x12" rim in the rear.


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