Should I go too heavy or too small?

[brucelinc]

I would love your opinions. My GT came with the heavy 20" wheels and 265/35-20 Pirelli P Zeros. I recently picked up some used OEM 18×8 rims with all-season Michelin 235/50-18 tires to use during our cold weather.

When I go to the track in April, which of these poor choices would be the lesser of 2 evils? The track is 2 hours from home and I can't haul both sets along with my jack.

I will have BMR cradle lockout kit and vertical links. I will also have a Livernois E85 tune.

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[Grimace427]

Be more specific with 'track'.

 

[brucelinc]

Be more specific with 'track'.

Quarter mile drag strip. I have quite a bit of experience but it has all been with all wheel drive vehicles and traction was not an issue.

 

[Grimace427]

The PZeros will be more grippy, but either choice will generally suck. Both will spin, both have the chace for wheel hop.

 

[F1scamp]

I've been 10.8's on the 235/50/18's with a stick.

 

[brucelinc]

If I have fun running the Mustang, I will invest in tires more suitable for the job. Those 20 inch foundrys look great but they are heavy. I just want to do the best I can with what I have and go from there. Thanks guys.

 

[bluebeastsrt]

I'd go with what ever's already mounted on the car. The 18s will offer less rolling resistance. Grip on the Pzeros will be marginally better. So it's most likely a wash.

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