New Tires - IMBOC
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post #1 of 35 (permalink) Old 07-11-2019, 05:21 PM Thread Starter

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New Tires

So it's that time again...time to buy a new set of Pilot Sports...and for the third time I am not getting new wheels. Not because I don't want a set of sick, wider wheels but rather because of the chronic cash hemorrhage that comes from having a family of five.

I've always gone with Pilot Sports and this time is no different but I'm thinking about going with PS4 255/45/18s.

I know every tire is a bit different even with the same dimensions but still would love to hear from others running this size tire on our wheel...trying to get a sense of how close to flush the outside edge of the tire aligns with outside edge of wheel.

Is it flush or a little short of wheel edge (narrow) or a little over wheel edge (wide)?

Thanks!
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post #2 of 35 (permalink) Old 07-11-2019, 09:50 PM
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The 255 has an overall width of 10" compared to stock at 9.7"
Tread width id 8.7" vs 8" stock, so an extra ~3/8" width per side.
Overall diameter is 27.1 for the 255 and 27.3 for the stock tire.
Very little difference, a little more fender space and a little more "gear."
PS 4 is a good choice.
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post #3 of 35 (permalink) Old 07-11-2019, 11:45 PM Thread Starter

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Quote:
Originally Posted by bullit4404 View Post
The 255 has an overall width of 10" compared to stock at 9.7"
Tread width id 8.7" vs 8" stock, so an extra ~3/8" width per side.
Overall diameter is 27.1 for the 255 and 27.3 for the stock tire.
Very little difference, a little more fender space and a little more "gear."
PS 4 is a good choice.
Killer, thanks. Was gonna go with 245/45/18's with an overall width of 9.6" v 9.7" stock and tread width 8.1" v 8" stock but I'm gonna go with wider 255/45/18.

I'm on PSS 235/45/18s now and the the 45 sidewall is plenty stiff so steering response will still be crisp even with a slightly wider tread width. The 235/45/18s were a mistake on my part...narrower than I wanted...that said they still offered great grip and the steering was improved over my 235/50/18 PS2s which was light years ahead of the factory tires.

Thanks again!
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post #4 of 35 (permalink) Old 07-12-2019, 01:22 AM
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BLLTT is shod on the '08 OEM Bullitt rims with the Michelin PS4 in 255/45/18's. Over 14K miles in the last 1.3 year, including Legend Lives RT66, '19 Nats and another run from N FL to MN this summer. All road conditions from the upper 40 degree temps to triple digit, sun and rain, straights and twisty's. I am VERY SATISFIED with the PS4. And has worn less than the 300 UTOG might suggest. But I accept that tires (and brake pads) are just collateral damage depending upon the driver's style.
The 255/45 is rated on an 8.5" wide rim (Tire Rack specs). All the other sizes discussed are rated on 7.5" or 8" rims. Every millimeter of wider footprint (friction) gives better braking and handling. IMHO, the 255/45 should have been the OEM size for the Bullitt 8.5 rim.

Also, as the 255/45 is only about .2" shorter height that the OEM Bullitt tire, then it is reasonably close to the speedometer calibrated speed from revolutions per mile. GPS shows 75mph when speedometer shows 77-78 with the 255/45.
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Last edited by tossass4370; 07-12-2019 at 01:34 AM.
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post #5 of 35 (permalink) Old 07-12-2019, 10:18 AM

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I also went with the P255/45/18s and think that size just looks so much better.

In my case, I am using the Uniroyal TigerPaw GTZ (UHP all season).

Uniroyal is owned by Michelin and manufactured using Michelin molds so they are called "The Poor Man's Michelin". I really like those tires but, then again, they are never tracked or abused so I can only comment regarding their highway characteristics.

One thing I can comment on, wifey has used the same tires on her '10 Mustang and been caught in a couple ice/snow storms. She was able to maneuver her Mustang past a lot of other stranded vehicles without getting stuck. While these are classified as UHP tires, I have been really impressed on how they handled snow and ice (light to medium, NOT heavy).
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post #6 of 35 (permalink) Old 07-12-2019, 01:10 PM

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Im shopping now. I have the NITTO NT555 G2 255/45ZR18 on. I wish I had bought a second set at the time, and just bag them, because they were on special for 80 bucks each thru discount tire direct. Today, it looks like theyre at 170.

Im going to check a few shops, and even consider the 285/40 on the rear.

I may check Sams club as well, as I thought they include road hazard, install and even roadside service in the purchase price.
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post #7 of 35 (permalink) Old 07-12-2019, 02:45 PM Thread Starter

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Just ordered the PS4S 255/45/18s. Will have them installed on Monday. Psyched!
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post #8 of 35 (permalink) Old 07-12-2019, 03:23 PM
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Quote:
Originally Posted by XnarX View Post
Im shopping now. I have the NITTO NT555 G2 255/45ZR18 on. I wish I had bought a second set at the time, and just bag them, because they were on special for 80 bucks each thru discount tire direct. Today, it looks like theyre at 170.

Im going to check a few shops, and even consider the 285/40 on the rear.

I may check Sams club as well, as I thought they include road hazard, install and even roadside service in the purchase price.
You are better to get fresh build code each time. I found after a year or so storage, the tires would start to harden up.
I always check the date codes. Sometimes the sale tires are last year's. Have fun.
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post #9 of 35 (permalink) Old 07-12-2019, 03:49 PM
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Really like my PS4S. Although it's much harder now to make the nice squealy noises, though, LOL.
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post #10 of 35 (permalink) Old 07-19-2019, 01:43 PM
 
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Loving this thread, I think this is a very interesting discussion
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post #11 of 35 (permalink) Old 07-19-2019, 02:42 PM
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Buy what you want, but the best tires you can buy are always Goodyear. If you don't believe it, take notice of how often you see them on the race track. My 2-cents.


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post #12 of 35 (permalink) Old 07-19-2019, 03:49 PM
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the best tire out there for the $$ is the firestone firehawk indy 500 tires. https://www.google.com/url?sa=t&rct=...Wj5aJsjdo_b0PP
i know at least 6 people with GT500 cars with over 600rwhp and they this tire is as good as the MPSS tire for 1/2 the price. they are available in the 255/ 35/ 18 255/40/18 255/45/18.
tire rack has the 255/40/18 in stock at $175 per tire shipped.
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post #13 of 35 (permalink) Old 07-19-2019, 03:50 PM
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Quote:
Originally Posted by Jimbob View Post
Buy what you want, but the best tires you can buy are always Goodyear. If you don't believe it, take notice of how often you see them on the race track. My 2-cents.

The NTT Indycar series uses exclusively Firestone, F1 is all Pirelli, and IMSA is all Michelin. So personally, I don't see Goodyear tires on race tracks ... EVER. Maybe I'm watching the wrong motorsports...
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post #14 of 35 (permalink) Old 07-19-2019, 07:50 PM
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Quote:
Originally Posted by Jimbob View Post
Buy what you want, but the best tires you can buy are always Goodyear. If you don't believe it, take notice of how often you see them on the race track. My 2-cents.

I used to work for Goodyear, and IMHO some of their passenger tires are sub par. The "Eagle F1 Supercar tire" is very good, but very expensive.
Their motorsports tires and slicks are good but not DOT.
Believe it or not, a lot of their snow tires are made in Chile SA. Always found that odd?
For the street, I believe the Michelins are the best. If you look at the construction, they are well made.
The limiting factor on passenger and Light Truck tires is UV and road chemicals. The tires seem to crack and show failures before you wear them out.
And, I've said this before, plugging a puncture with a push in plug is not the proper way to fix a tire. In order to maintain the speed rating, you must remove the tire, inspect, and use a pull through plug with patch. Often you will discover hidden damage that will lead to tire failure.
There are other brands that work well, and are competitively priced, Uniroyal, Firestone, Nitto etc.

Edit: Goodyear makes tires in 21 countries. Most of the ones made in Canada or the USA have factory codes with MB, MC, MD, and so on. Although the materials and chemicals are sourced from the US and Canada, tires are made in places like; Poland, Turkey, Brazil, Venezuela, Colombia, China, South Africa etc.
Goodyear is #4 in world production, behind Bridgestone/Firestone, Michelin and Continental..
The Goodyears made in Ohio, are of course excellent, right Jimbob?
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Last edited by bullit4404; 07-19-2019 at 08:30 PM.
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post #15 of 35 (permalink) Old 07-19-2019, 08:24 PM

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Quote:
Originally Posted by bullit4404 View Post
You are better to get fresh build code each time. I found after a year or so storage, the tires would start to harden up.
I always check the date codes. Sometimes the sale tires are last year's. Have fun.

Read something in the past 2 or 3 months from either tire rack or car and driver (who may have used tire rack as the source) about extending the shelf life of newly purchased tires, by bagging a certain way, keep in a cool place...for cheapskates, I mean thrifty, guys like me. No basement here, and my garage gets hotter than hades. Id have a hard time convincing the wife to keep them under the bed !

I found Michelin Pilot Super Sport...Discount Tire, and went with those. ($114 each with a return gift card of $70, and another $40 gift card for using their in-house account)
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