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Tire selection for 18" wheels for max grip in a strait line and / or on the curves?

Fourdoor

Member
May 31, 2016
996
853
United States
I am seriously considering a light weight 18" wheel and tire package for my MYP.

First off, anyone know where the MYP gets it's speedometer reading from? The Front and rear tires are different diameters, and it makes a difference in which diameter I need to match :) I suspect it is the front tires since they are the same diameter no mater what factory wheel and tire package you run. Also, the speedometer still reads 1 mph faster than GPS even after swapping to the Gemini's and swapping them in the infotainment system.

Anyway, are you better off with a 245/55/18 ultra high performance ALL SEASON tire OR are you better off with a 235/55/18 Max Performance SUMMER tire?

If I go with the narrower summer tires on the 18's I will keep my Gemini's for winter use (we don't have harsh winters in North Arkansas, but we do get some snow occasionally)... If I get the wider all season tires I will probably end up selling the Gemini's.

What are your thoughts?

Keith
 

TwelveVoltMan

He'll make sparks fly round your head
May 14, 2021
146
181
Raleigh, NC
Just a WAG, but my thought is that NO All Season tire would ever have as much grip as a summer tire, assuming temps are above 50f or so.
Agreed.

OP, what about 275/45R18 Bridgestone Potenza Sport Summer Tires? The tire (supposedly) weighs the same as the Pirelli P Zero (PZ4) in 235/55R18.
 

jpy1980

Member
Jul 17, 2021
358
639
Los Angeles
I’ve always loved the Michelin pilot sport 4s or conti extreme contact sport tires for max Performance grip. Had both on my 2015 bmw m3 and it was amazing.
 

Fourdoor

Member
May 31, 2016
996
853
United States
Agreed.

OP, what about 275/45R18 Bridgestone Potenza Sport Summer Tires? The tire (supposedly) weighs the same as the Pirelli P Zero (PZ4) in 235/55R18.

I am going with a narrow light weight wheel. It might be good in a strait line but it is on the edge of being too wide for an 8.5" wide rim. Would you expect good handling on a tire that wide on a narrow wheel?

Keith
 
Last edited:

Zhe Wiz

Go Big Red
Mar 15, 2021
147
236
Ithaca, NY
Has anyone tried Vredestein Quatrac Pro’s on 18“ rims at the drag strip? They’re about as light as it gets at 26lbs each in 235/55/18. If they give enough grip for a good 60’ time, they might give killer 1/4 mile times.
 

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