When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have just change tires from Michelin PS2 N2 to PS4S on my 997.2 4S Cab. and it feels like driving on soap, my old PS2 was steady as a rock and it was only on the track i could get them to "slip". On public road they were solid. But my new PS4S feels quite different if I drive them a little "hard" they "slip".
the reason why I change from PS2 to PS4S was alle the good comment here on rennlis.
On road i use factory tire pressure 33/36
Tire size 235/35-19 305/30-19
You need to put about 500 miles on them before they come good. I had the same issue coming from PS2 to MPSS. Once all the manufacturing residues had released from the tyre, they were a marked improvement.
Might be worth double checking pressures with a different TP gauge to ensure values are as they seem
Concur. Drive it for a bit and then see. I really like the MP4S. Dry grip is great and wet grip is fantastic, 10 times better in the wet than my old RE050's.
you want to take it easy on the new tires for the first 400 miles or so, from my experience wearing in a set of the same tires. Mold release and stuff like that needs to wear off.
You need to put about 500 miles on them before they come good. I had the same issue coming from PS2 to MPSS. Once all the manufacturing residues had released from the tyre, they were a marked improvement.
Might be worth double checking pressures with a different TP gauge to ensure values are as they seem
Sure hope that applies to the Bridgestones I just bought. Got tired of the howling of the Michelins starting at about 10K miles so decided to try something different. Not happy so far. No problem with grip and all that, even with heavy rain. And they look really cool but I just can't believe how noise they are. I'm not exaggerating but brand new they sound like my old Michelins with 12,000 miles on them worn down to the cord on the 2" inside. https://www.tirerack.com/tires/tires...ndard%20Brakes
Replaced my well worn Super Sports with a set of SP4S on Wednesday - in Portland, OR en route to San Francisco. Initially thought something wrong with them. After some 20 miles, I returned to the shop to make sure they were well balanced and my center locks torqued properly. I left Portland less than impressed. As I traveled south, all seemed to get better. I began liking the tires sometime after reaching California - some 350 miles after. Got another 250 miles on them, and reached San Francisco.
After putting well over 600 miles on the SP4S's, I drove up the windy coastal roads with full confidence in these tires. Quite spiritedly, I will add
I agree with the above too. I lost the back end of my C2S for the first time getting a bit too aggressive on an on ramp on new PS4S. It definitely put the fear in me. P(lease)S(ave)M(e) did its job on that one for sure. After maybe 2 more tanks of gas or so, my friend invited me to do some spirited mountain driving up Angeles Crest to Newcomb's for lunch. I started out really mellow because of my on ramp times but as I slowly added speed, it became clear that these tires had been scrubbed enough to have the proper amount of grip people had been claiming. Now they are my favorite street tires I have had on any car after 5k or so.
Sandwedge did you do an alignment at the tine of the change?
to the OP these are great rolling tires, smooth and much lower noise, but they need more time than usual to settle, you might triple check your pressure, as they are super sensitive to overinflation.
During manufacturing, tires are coated with a release lubricant to keep them from sticking to their molds after the curing process. Some of the lubricant stays on the surface of the tires, and until it completely wears away it can reduce traction. About 500 miles of easy driving (accelerating, braking, cornering) will allow the lubricant to wear off safely and completely."
"Also, tires are made of several layers of materials including rubber, steel, and fabric. Giving the tire time to break in allows these different components to start working together, delivering the optimal performance and ride quality.
Your new tires may feel different
If you've just replaced your tires, it's probably because the old tires had very little tread left. Tires with very little tread tend to respond a bit quicker, because there's less tread that needs to flex during cornering and quick turns. Tires with a deeper tread tend to flex or “squirm” a bit more -- so they may feel slightly less responsive than your old tires, even if you replaced your old set with the exact same brand and model.
So while we know you're excited to get out there and put your new tires to the test, it's in your best interest to take it easy for the first few weeks and let your tires break in naturally."
I went from PSS to PS4S and had the same experience. Tires were a little slippery so had to be careful when accelerating around curves until the tires were properly broken in. I decreased tire pressure by about PSI to add an extra margin of safety but it still came down to milage. As others have said, it takes about 500 miles for the mold release compound to wear off the surface of the tire. After that, the PS4S live up to their reputation as the best high performance street tire on the market.
Sandwedge did you do an alignment at the tine of the change?
to the OP these are great rolling tires, smooth and much lower noise, but they need more time than usual to settle, you might triple check your pressure, as they are super sensitive to overinflation.
No I didn't and never did after changing tires and never had tires this noisy when brand new. The Michelins were dependable in that respect. Nice and quiet when new without alignment but got increasingly noisy as they wore out so that was always a good reference without even having to look at them. The Bridgestones I got have great reviews, right up there with the best of the best so I don't know what to think of this.
06-30-2019, 06:02 AM
Michelin PS4S like driving on soap!
