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      06-19-2019, 01:51 AM   #1
1smokehouse
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Pirelli P ZERO Run Flat (Narrow?)

Hey everyone,

Ordered and recieved two 245/35R18 Pirelli PZero Run Flats for my 128 to replace the standard Bridgestone Potenza's. They appear to be almost an inch narrower. Can anyone validate that these run this narrow? Sure I wasn't punked Lol...

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      06-19-2019, 04:20 PM   #2
WeryPert1
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Wow, that is a shocking difference!

I don't have an answer for you, but you could check the Pirelli and Bridgestone websites for the exact dimensions of those tires: they usually list Section Width and often Tread Width, as well.
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      06-19-2019, 10:59 PM   #3
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According to Tire Rack, the Zeros tread width run 8.6 and the Potenza's run 8.7 and the section width is the same at 9.8

However, after physically measuring them, the Zeros are dead on and the Potenza's run wide, the tread measured 9.6 with a section width of 10.0!!
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      06-20-2019, 08:14 AM   #4
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I'd try and measure both even if it's just with a ruler (hold it vertically) and something flat to measure horizontally. Then get hold of Tire Rack.

I'm sure they'll say it's normal but if it turns out the -new- tire is vastly different than what they say on their site, perhaps they'll offer to do something for you (swap them out for more of the same of what you had or something).

If it's the old ones measuring over-sized then I'm sure they'll not do anything at all.

That's a pretty big difference, it may not actually matter but I'd be disappointed for sure!
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      06-20-2019, 06:07 PM   #5
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Yeah, the Potenza's measure wide, so if the Zeros look horrible on the rear, I'll use them on the front instead and order the Potenza's for the rear. That should throw everyone off... 245's on the front for a "square" setup that's obviously NOT!
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      07-21-2019, 03:27 PM   #6
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I have the PZeros on my wife's car. Worlds better than the Potenzas that came off of it. Crappy huge pictures, but should give you an idea of the look.



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      07-30-2019, 05:54 AM   #7
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Wow! They actually don't look too bad. A little stretch from the Potenzas, Are they staggered? 215-245?

Thanks
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      07-31-2019, 06:02 PM   #8
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Quote:
Originally Posted by 1smokehouse View Post
Wow! They actually don't look too bad. A little stretch from the Potenzas, Are they staggered? 215-245?

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Yes. 215/40R 18 front, 245/35R 18 rear.
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      08-25-2019, 03:20 AM   #9
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Quote:
Originally Posted by KevinR View Post
Yes. 215/40R 18 front, 245/35R 18 rear.
Ok, got the 215's in... and they almost look like the same width as the 245s! Something still doesn't look right. Were yours that close?
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      08-26-2019, 07:32 PM   #10
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I was thinking of picking up some 225/40/18s to replace my outgoing dunlop fronts...but this has me worried. WTF is up with those sizes?
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      08-27-2019, 08:06 PM   #11
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Quote:
Originally Posted by SolidWater View Post
I was thinking of picking up some 225/40/18s to replace my outgoing dunlop fronts...but this has me worried. WTF is up with those sizes?
The 215's are spot on, it's the 245's that have me concerned. They are going to be a bit stretched, but I don't have a choice unless I want to spend more $$$ for another brand.

I sent Tire Rack these photos, and I got the expected corporate answer - "We cannot really see anything in these photos. You really cannot compare tires without installing on wheels. The sizes you ordered are the correct fitment for your car."
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      08-28-2019, 08:19 AM   #12
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Meh, yeah canned response. This is the strangest thing, the 245's clearly not being 245. I expect some variation but jeez...
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      08-29-2019, 04:28 PM   #13
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Quote:
Originally Posted by tracer bullet View Post
Meh, yeah canned response. This is the strangest thing, the 245's clearly not being 245. I expect some variation but jeez...
Yep, goes to show that the problem with big corporations, is that you can make/sell a product out of specs, and no one can do anything about it... especially those you are making the product for and selling it to... the customer...
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