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The upside is only 4km to work! Walking or biking distance. That is a huge quality of life improver.

LOL, I did not even know there was an S 5, so the PS 5 had that comment in the comments section at Tire Rack. Now I see a Pilot Sport S5, but at least on Tire Rack there are no 19 inch tires.

Now we know who to go to for the deeper technical "why" questions. Thanks for disclosing your expertise in this area. You never know who is participating in a discussion forum.

I had looked at those, but the 305 size is almost half an inch shorter than my stock tire, and they do not have a 315 size. I might have been able to get away with the 325, but it is a lot wider than the stock tire, and the stock wheel size is the minimum recommended for that width. The PS4S...

On3

You didn't watch the video, did you? :crackup: And yet your post was so confident and condescending.

https://shop.2mfabrication.com/product/2015-2020-mustang-gt-performance-pipes-cat-deletes 2M Fabrication makes 3 inch pipes from the header to the resonator . . .

This car has now run 10.307. I do not know what else John Boschma has changed. https://www.mustang7g.com/forums/threads/10-30s-all-motor-s650.172922/

With a turbo, however, you can dial in the boost. There are several ways to accomplish this, but the short story is you can keep lowering the boost until you get only 750 horsepower. You can raise it up when you want more.

Either one will get you the horsepower you want. You may even be able to do the supercharger yourself. The turbo would require a lot more mechanical skill. For a 750 horsepower target, you can even get something like a warranty from Whipple (does Roush have a similar warranty?). You are...

Ain't none of us were there, not even the original poster, so no use breaking down the details. I was in my gym parking lot the other morning, though. I had worn Pirelli Trofeo RS tires. It was in the 40s. There was very light rain that had coated the surface of the parking lot. It is one...

In the interest of full disclosure, the summer tires in the video are not PS4S. I think they are a Continental 200 tread wear track/street tire, so probably worse off in freezing than the PS4S. BUT They still performed better than the winter tire on cold pavement. Snow was a very different...

That is very interesting about the track session. Thanks for sharing it.

It does not mean he floored it. He exceeded the grip that the tires had. On my Pirelli Trofeo RS tires in 40 degree weather, it does not take much to get them to slide. I have not had this experience with PS4S in the winter, but I had them on an AWD German sedan, not a Mustang.

Just curious, did they ever get hot at the track or was the asphalt temperature and ambient temperature too much to overcome in a half hour session or subsequent sessions? Does anybody know: Is there some specific tire formula that professional racing teams use if there is a cold snap during a...

Tire Rack comments say they do well at 40° Fahrenheit (7 Celsius) and that they are an improvement over the PS4S. They are 340 tread wear, so probably will last a little longer. Tire Rack shows them available only in 17 and 18 inch sizes, though. Michelin's web site shows 19, 20, and 21"...

Does ethanol help the engine cylinder head temp or oil temp? Or real coolant temp if anybody is measuring?

Rhetorical question. :like: Just for trivia, the all time low in PA is -42°

Yes, that is why I put the shocked face emoticon. Even worn mine still grip well at 60 degrees. Down at 40, however, I have a hard time turning and accelerating at the same time. I have to drive very, very carefully. Are you like baby baby babying it?

I found them to be way too slippery below 50 degrees. Even in California . . .