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#2383130 - 10/06/17 07:20 PM New Tires on DD:
Sunroofcuda Offline
master

Registered: 01/20/03
Posts: 6203
Loc: Highland, MI.
Just ordered in tires a day ago for my 2014 Chrysler 300 - some Firestones. I had them installed today & they really felt pumped-up so I checked the pressure when I got home. The installer had them inflated to 43-44 lbs. I always thought the rule was around 32 psi for a regular set of tires on a car, so I adjusted them all down to 35 psi.

What do you guys keep your daily driver tires inflated to?


Edited by Sunroofcuda (10/06/17 07:20 PM)
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“Bear in mind that brains and learning, like muscle and physical skill, are articles of commerce. They are bought and sold. You can hire them by the year or by the hour. The only thing in the world not for sale is character.” (Antonin Scalia)

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#2383131 - 10/06/17 07:22 PM Re: New Tires on DD: [Re: Sunroofcuda]
Supercuda Offline
I Live Here

Registered: 09/04/07
Posts: 12929
Originally Posted By Sunroofcuda
Just ordered in tires a day ago for my 2014 Chrysler 300 - some Firestones. I had them installed today & they really felt pumped-up so I checked the pressure when I got home. The installer had them inflated to 43-44 lbs. I always thought the rule was around 32 psi for a regular set of tires on a car, so I adjusted them all down to 35 psi.

What do you guys keep your daily driver tires inflated to?


The rule is to inflate them at the PSI specified on the door jamb sticker.

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#2383135 - 10/06/17 07:40 PM Re: New Tires on DD: [Re: Sunroofcuda]
topside Online   content
I Live Here

Registered: 01/19/03
Posts: 11754
Loc: So Near, Yet So Far
I typically run 32 PSI in most of the cars, generally sticking to the higher #s posted on the sidewalls. Some combinations of tread & rim width want more or less to get the full footprint, so I've run as high as 40 in some cases.

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#2383143 - 10/06/17 07:48 PM Re: New Tires on DD: [Re: topside]
Supercuda Offline
I Live Here

Registered: 09/04/07
Posts: 12929
Originally Posted By topside
I typically run 32 PSI in most of the cars, generally sticking to the higher #s posted on the sidewalls. Some combinations of tread & rim width want more or less to get the full footprint, so I've run as high as 40 in some cases.


I assume stock sizes on stock rims on a DD, which means stock PSI, aka door jamb sticker.

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#2383152 - 10/06/17 07:54 PM Re: New Tires on DD: [Re: topside]
ahy Offline
master

Registered: 01/22/07
Posts: 7463
Loc: IN
I generally run 35 psi minimum. Or the door jamb pressure if higher (usually not).

More pressure if running fast or heavy. I do watch wear patterns... I have not seen evidence of excess center wear at 35 psi on DD's.

I also have found tire stores inflate high. After past issues with low inflation on Explorers I guess they want to be "safe" from a liability perspective.

I like to get the car home after tire service, let it cool, and adjust pressure as I think you have.

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#2383192 - 10/06/17 08:55 PM Re: New Tires on DD: [Re: ahy]
71birdJ68 Offline
master

Registered: 02/09/12
Posts: 3670
Loc: Morristown Tn.
I really like DDs, especially firm ones.

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#2383203 - 10/06/17 09:25 PM Re: New Tires on DD: [Re: ahy]
YO7_A66 Offline
master

Registered: 01/20/03
Posts: 5117
Loc: Indiana
I just had a set of Kumho XL's mounted last week at my local Firestone. I have used them for five sets of tires and they usually set the tire psi to what is on the door. This set they had them all at 40psi and I felt it on the drive home. After a quick couple of chalk tests, I lowered the pressure down to 36 front and 34 rear.
_________________________
1970 YO7 A66 [Canadian Export] F8 Challenger
340 (SL.P. 226/238@.050,270/288 dur,.538"/.528" w/Yella Terra 1.65 rockers, 9.7:1, 63cc Sidewinders (Bowl Ported),RPM intake, QF SS-750 Annular DP, MSD Street Fire Ign., & TTI's. 727/Dynamic 9.5" 3800, TF-2, & 3:91's

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#2383207 - 10/06/17 09:30 PM Re: New Tires on DD: [Re: 71birdJ68]
Sunroofcuda Offline
master

Registered: 01/20/03
Posts: 6203
Loc: Highland, MI.
Originally Posted By 71birdJ68
I really like DDs, especially firm ones.


Har-de-harr-harr! Honey, if I told you you had beautiful DD's, would you hold it against me?
_________________________
“Bear in mind that brains and learning, like muscle and physical skill, are articles of commerce. They are bought and sold. You can hire them by the year or by the hour. The only thing in the world not for sale is character.” (Antonin Scalia)

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