HP Tire Size Options and Brand Recommendations

RandomTask

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Techapma

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I have the Michelin pilot sport AS 4 tires on my handling package wheels. 325/30 rear 275/35 front.

The rear tires look good, but the fronts look stretched (even though Michelin approves the wheel size).

I wouldn’t recommend the 275s. Michelin has a 285/30 that would be a better fit.

I can’t speak to their longevity yet, since I only have 1300 miles on them.

I went with a combination of sizes because it gave me the closest to OEM diameters offered in this tire make.

I’m sure this combination of tires will result in some amount of understeer, but I have not push the car to find out.

I went with these tires so I could safely drive the car from the dealer (Granger) in possible cold temperature and damp roads.


I don’t foresee Driving the car in cold or wet conditions now that I have it home. So when the time comes for new tires I will probably go with pilot sport 4s tires, since they come in OEM handling package sizes.
 
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Mach1Mike

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Its a bit goofy this video but forscan can change the tire circumference.

 

Gnatsum21

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Atlas1

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Do you have pics of the setup?
i dont have any really good pictures from the back to see the rear tire width. these 2 threads have pictures of my car with the ps4's on. if it wasn't dark i would take some for you when i get home. i'll go through my phone and see if there's anything......

pics
more pics
 

Atlas1

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Do you have pics of the setup?
Couple more but still nothing all that great from the rear. I’m not sure if you can search for posts I’ve made that include images only but I do have a handful in other threads.

D1FA577B-1590-4F31-B96C-033ECD7122B0.jpeg


90E6A691-38C6-4022-8373-C6C143C71388.jpeg
 
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tobaccokid

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For us average drivers using our cars entirely on the street, relatively small differences in tire width and diameter may result in "engineering" differences, but in reality have no impact from street use. Probably a case of analysis paralysis. Nice to discuss the impact of small differences but the impact ..............?

Most of us are not realistically able to detect very small resulting impacts.
 

Charlemagne

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Damn the rear is poking out more than I imagined with 325's. Really hope it will be less with 295's 😁
 

5_mpg_FE

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I'm in the same boat. Have a handling pack car and wanting to save those tires for track days + they're so soft they pick up every last pebble in the road and rocket it down the side of the car + I will more or less daily the car and need to be able to make it to/from work in one piece when it's raining.

Got the Levittown wheel set as well, to mount some actual street tires on. Have a couple hours of research and online tire shopping in at this point. So far, the continentals are the best overall tire choice that's available right now, based on reviews, wet AND dry performance, and wear life. I'd of gotten the Nitto Invo's if they weren't back ordered. Stock size 305's up front, 325/30 in rear based on overall diameter and input from the GT350 owners.

Also, I haven't measured the alignment specs myself just yet, but the front wheels appear to be *at least* -2° camber. Definitely going to make a move on that for street driving. If I don't, doesn't matter what kind of tires I get, they won't make it past 20K miles.
 

13GetThere

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I thought about getting a base Mach1 and putting PP2 wheels on it. They are the same size as the HP wheels, look good, and a hell of a lot easier to clean.
As it is, I'm keeping my PP2.
 

 
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