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Author Topic:   Tire Pressure Question
Largent

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From:Saugus, CA, USA
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posted 02-01-2016 09:11 PM     Click Here to See the Profile for Largent     send a private message to Largent   Edit/Delete Message   Reply w/Quote   Search for more posts by Largent
The factory specs say to inflate the original runflats to 28 psi.

But now, I'm ruining the Falken Azenis tires.

The Falken tires state the max pressure is 50 psi.

Hmmmm - 28 psi or 50 psi or something in-between...

What is the recommendation for non-original tires?

ed monahan





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posted 02-01-2016 10:07 PM     Click Here to See the Profile for ed monahan     send a private message to ed monahan   Edit/Delete Message   Reply w/Quote   Search for more posts by ed monahan
I would say go with the sidewall on the tire. Whatever they recommend.
TucsonJer



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posted 02-01-2016 10:22 PM     Click Here to See the Profile for TucsonJer     send a private message to TucsonJer   Edit/Delete Message   Reply w/Quote   Search for more posts by TucsonJer
The 50 lbs. is a maximum pressure. Most dealers use 34 lbs. as a standard. Hope that helps. Jer
jimsutton



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posted 02-02-2016 06:03 AM     Click Here to See the Profile for jimsutton     send a private message to jimsutton   Edit/Delete Message   Reply w/Quote   Search for more posts by jimsutton
I have the Falken tires and run 35 lbs. in them never had a problem
georgieboy


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posted 02-02-2016 07:51 AM     Click Here to See the Profile for georgieboy     send a private message to georgieboy   Edit/Delete Message   Reply w/Quote   Search for more posts by georgieboy
The tire pressure printed on tires is not the recommended pressure but a maximum pressure not to be exceeded. The pressure recommended by Chrysler is the pressure to use on all tires of that size. The front and rear tires have a different recommended pressure being different size tires.
Largent

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posted 02-02-2016 07:57 AM     Click Here to See the Profile for Largent     send a private message to Largent   Edit/Delete Message   Reply w/Quote   Search for more posts by Largent
quote:
Originally posted by georgieboy:
The tire pressure printed on tires is not the recommended pressure but a maximum pressure not to be exceeded. The pressure recommended by Chrysler is the pressure to use on all tires of that size. The front and rear tires have a different recommended pressure being different size tires.

I hear ya -
It just seems that tires with different sidewall construction (hard vs soft - able to support the weight of the vehicle vs not) would require different pressure.

This is why I'm asking...

padroo



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posted 02-02-2016 04:01 PM     Click Here to See the Profile for padroo     send a private message to padroo   Edit/Delete Message   Reply w/Quote   Search for more posts by padroo
That 50 lbs. Written on the sidewall of the tire is a maximum safe pressure the tire should never excede. The tire should be inflated to the numbers written on the drivers door opening.
The fronts are 28 psi and the rears are 32psi. I am assuming you are running stock size tires.

http://m.discounttire.com/dtcs/infoAirPressure.do

This message has been edited by padroo on 02-02-2016 at 04:03 PM

Largent

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posted 02-02-2016 06:55 PM     Click Here to See the Profile for Largent     send a private message to Largent   Edit/Delete Message   Reply w/Quote   Search for more posts by Largent
Yes - I am running stock size tires.
VinceM




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posted 02-03-2016 02:38 PM     Click Here to See the Profile for VinceM     send a private message to VinceM   Edit/Delete Message   Reply w/Quote   Search for more posts by VinceM
My door sticker says 28 PSI for both front and rear tires as does the owners manual on page 101.
Largent

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posted 02-03-2016 03:34 PM     Click Here to See the Profile for Largent     send a private message to Largent   Edit/Delete Message   Reply w/Quote   Search for more posts by Largent
Vince -
This is Richard from the So Cal Prowlers group.
I'm the one with the Woodward.

My door and manual also state a single value of 28 lbs.
That being said; we still have the prevailing question -
To inflate at or near the Max value listed on the tire OR stick with what the door says no matter what kind of tire you've put on the car (as long as it's the same size as original).

enzvoy



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posted 02-03-2016 04:27 PM     Click Here to See the Profile for enzvoy     send a private message to enzvoy   Edit/Delete Message   Reply w/Quote   Search for more posts by enzvoy
On newer cars, the recommended pressure is most commonly listed on a sticker inside the driver's door. If there's no sticker on the door, you can usually find the specs in the owner's manual. Most passenger cars will recommend 32 to 35 psi in the tires when they're cold

This message has been edited by enzvoy on 02-03-2016 at 04:28 PM

LSK

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posted 02-03-2016 06:15 PM     Click Here to See the Profile for LSK     send a private message to LSK   Edit/Delete Message   Reply w/Quote   Search for more posts by LSK
I run the Continental Extreme Contact DWS tires front and rear. I keep 28 pounds (cold) in all 4 tires. I had my oil change place put 35 pounds in them one day and I thought I was going to bounce off the road before I lowered the air pressure. My TPM's don't work anymore (a small piece of black tape covers the dashboard idiot light), so I carry a good air pressure gauge in the glove compartment. Usually check them on Saturday every week. I always do a walk around anytime I leave home to make sure none of the tires have lost air. I like these tires and have never had a problem with them loosing grip on the road.
Richnew41



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posted 02-03-2016 07:04 PM     Click Here to See the Profile for Richnew41     send a private message to Richnew41   Edit/Delete Message   Reply w/Quote   Search for more posts by Richnew41
Hey LSK... Why not just replace tpm in the tires...
Got to be better than black tape look... You could always pull the dash and remove the bulb... Takes just a minute...
VinceM




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posted 02-03-2016 07:27 PM     Click Here to See the Profile for VinceM     send a private message to VinceM   Edit/Delete Message   Reply w/Quote   Search for more posts by VinceM
I think the question about inflating close to the max psi listed on the sidewall has been answered well. I believe the engineers that designed the suspension came up with 28 psi for handling, ride and safety. You can run higher psi than recommended but one or more of the 3 items I listed may be affected.
mslc10



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posted 02-03-2016 08:09 PM     Click Here to See the Profile for mslc10     send a private message to mslc10   Edit/Delete Message   Reply w/Quote   Search for more posts by mslc10
I run lower pressure for a softer ride.
Largent

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posted 02-03-2016 08:34 PM     Click Here to See the Profile for Largent     send a private message to Largent   Edit/Delete Message   Reply w/Quote   Search for more posts by Largent
quote:
Originally posted by VinceM:
I think the question about inflating close to the max psi listed on the sidewall has been answered well. I believe the engineers that designed the suspension came up with 28 psi for handling, ride and safety. You can run higher psi than recommended but one or more of the 3 items I listed may be affected.

Agreed - thanks for the help

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