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Old 07-07-2018, 01:06 PM   #1  
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Michelin PS4S

Going to be replacing my Nitto NT555 G2's with some Michelin PS4S's and wanted to see if anyone had any experience with the PS4's or Pilot Super Sports on their Cobalt?


FWIW, I really enjoyed my G2's for the first 25K miles. I've got almost 30K on them now and while they still have a decent amount of tread left, they've only lasted 2 AZ heat cycles.... ZERO traction 1st through 3rd and cornering is drastically reduced.
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Old 07-07-2018, 03:39 PM   #2  
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In for info as I will probably be getting new tires this year
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Old 07-07-2018, 04:43 PM   #3  
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You can never go wrong with Pilot Super Sports. I have ran them on multiple cars.
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Old 07-07-2018, 08:18 PM   #4  
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Go on tire rack, they usually have some really good road test/comparisons of tires.
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Old 07-09-2018, 01:31 AM   #5  
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Pulled the trigger on some 235's. Will keep everyone posted once I get them installed.
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Old 07-14-2018, 12:05 PM   #6  
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Didn't want to wait weeks for the 235 so went with factory 225 .

So far, it's an amazing tire but it's still fresh. Makes it hard to say good or bad but, it dead hooks 1-3
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Old 07-14-2018, 12:52 PM   #7  
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Are the 235 on backorder?
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Old 07-14-2018, 02:33 PM   #8  
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Quote:
Originally Posted by T-Man
Didn't want to wait weeks for the 235 so went with factory 225 .

So far, it's an amazing tire but it's still fresh. Makes it hard to say good or bad but, it dead hooks 1-3
Don't you have a bigger turbo and it still dead hooks? That's outstanding.
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Old 07-14-2018, 05:23 PM   #9  
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I just threw them on mine. Awesome - both in when dry and in the rain. Gotta do something pretty dumb to get them loose (so far).
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Old 07-14-2018, 07:26 PM   #10  
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So far I've never had tires that would hook in 1st. Drag radials would in 2nd if they were hot but not if cold. I have even spun slicks off the line but not in 2nd. Can't believe you can hook 1st gear with those tires.
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Old 07-14-2018, 07:39 PM   #11  
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Quote:
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Are the 235 on backorder?
Didn't ask to be honest.

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Don't you have a bigger turbo and it still dead hooks? That's outstanding.
Yep, BW based WR-3. It truly is quite awesome to have this kind of traction again without a full on DR or RR tire

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So far I've never had tires that would hook in 1st. Drag radials would in 2nd if they were hot but not if cold. I have even spun slicks off the line but not in 2nd. Can't believe you can hook 1st gear with those tires.
A lot of it has to do with the way things are setup in the tune but yeah, these tires are great.
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Old 07-14-2018, 08:07 PM   #12  
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Seems like you sold me on them, keep us posted as you keep driving on them
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Old 08-03-2018, 01:10 PM   #13  
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I've had Pilot Super Sports in 245/40R18 on for about 3 summers now. With around 15k on them with mainly normal driving and a few launches here and there plus some spirited back road driving, I'm still at 5/32 tread on all 4. Just make sure to store them indoors during the winter if it gets below freezing as I haven't and there's a small amount of cracking happening.
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Old 08-03-2018, 01:18 PM   #14  
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as everyone else already stated, that's awesome that you can hook that well with a 300tw class tire. How aggressive is your boost ramp?
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Old 08-03-2018, 01:49 PM   #15  
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as everyone else already stated, that's awesome that you can hook that well with a 300tw class tire. How aggressive is your boost ramp?
Pretty aggressive 2-4 but 1st is neutered pretty good. I have a spare transmission sitting in the garage, so I'm not too overly concerned

Honestly though, straight line traction aside, these are the nicest tires I've ever driven on. They've completely transformed the car, in a very positive manner. Highly recommend these to anyone and everyone.
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Old 08-03-2018, 01:54 PM   #16  
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I've had Pilot Super Sports in 245/40R18 on for about 3 summers now.
245's clear everything on turns?
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Old 08-03-2018, 01:59 PM   #17  
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I had 245/40/17s on 17x9 et40 wheels and they cleared, but were close. I'm just on coilovers, so they have a bit more clearance between the wheel/tire and the spring perch vs the stock struts. That being said, I know quite a few people that run 245's and are okay.

Currently on 245/45/16 on an et38 wheel
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Old 08-03-2018, 02:09 PM   #18  
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Looking to try 245 40R-18's on the OEM SS rims
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Old 08-03-2018, 02:21 PM   #19  
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that's a full inch bigger diameter than my 24.7", so you might rub fender liner a bit with the extra .5", depending on how low you are.
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Old 08-03-2018, 02:24 PM   #20  
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you shouldn't hit anything structural, just fender liners.
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Old 08-08-2018, 01:09 PM   #21  
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245's clear everything on turns?
​​​​​​I rub my fender liner on the driver's side because of my intake but if you don't have that issue and aren't super low, 245s are fine. I'm on 18x9s +40 with a 5mm spacer in the front to clear the Brembos so that may also have something to do with it.
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Old 08-08-2018, 02:20 PM   #22  
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Wish I felt good about 245's on a 8"rim but I'm afraid I would give up handling due to the tread width being so much wider than the rim. On a 9" that would be a different story.
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Old 08-08-2018, 02:23 PM   #23  
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And I'm still puzzled at dead hooking. I couldn't even do that on drag radials 1st gear limited to 10-15psi, on basically a factory turbo.
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Old 08-08-2018, 03:03 PM   #24  
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Wish I felt good about 245's on a 8"rim but I'm afraid I would give up handling due to the tread width being so much wider than the rim. On a 9" that would be a different story.
Not the best angle, and since it's totaled can't get another shot. But here is a 245/40R18 on the 1st gen SS wheel.
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Old 08-08-2018, 06:34 PM   #25  
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I had 245 drag radials mounted on 7.5 wheels and you could tell a little difference. Don't think my 8" wide M52's are going to make much of a difference there. I would probably order 235's for my setup.
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