R888R Help me decide on what size

[CTH621]

I did FP Sport Cup 2s 315/30-20 all around on stock non CFTP wheels. I added 12mm spacers to the front. Worked great at the track last weekend.

Were the 12mm spacers necessary to prevent the tire from rubbing the strut body? What's the minimum spacer thickness to accommodate 315/30/20 on the OEM non CFTP front wheel?

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[Meat coyote racing]

I run R888R: 325/30/R19 rear, 285/35/R19 front. They have been incredible tires; however, driving in the rain is a nightmare.

 

[biminiLX]

315/30 front 325/30 rear would be my choice if they fit.
I’d ask Terrance at Signature Wheel for his input.
-J

 

[MagneticShelby]

I moved My 315's to the front and went to 325/30/20 PS2's on the rear. They fit perfect and the traction is much improved. Granted a lot of this is from going to the PS2's. The wheels are Project 6GR 20x11 front and 20X11.5 rear.

 

[CTH621]

What

I moved My 315's to the front and went to 325/30/20 PS2's on the rear. They fit perfect and the traction is much improved. Granted a lot of this is from going to the PS2's. The wheels are Project 6GR 20x11 front and 20X11.5 rear.

What offsets front and rear do you have? Any front spacer?

 

[biminiLX]

Looking good!
-J

 

[JoeSTi]

Did you decide on tire size? Interested...

I havnt made the decision yet just because im still waiting for my ucal and cant drive the car until its tuned. I think im leaning towards 315 all around.

 

[wbrownie]

Were the 12mm spacers necessary to prevent the tire from rubbing the strut body? What's the minimum spacer thickness to accommodate 315/30/20 on the OEM non CFTP front wheel?

I just put the spacers on for better looks. Not required.

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