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-   -   How far over MFR recommended for pressure is ok w/o destroying tires? (https://ecomodder.com/forum/showthread.php/how-far-over-mfr-recommended-pressure-ok-w-30080.html)

FordFiestaS 09-25-2014 02:19 PM

How far over MFR recommended for pressure is ok w/o destroying tires?
 
I obviously want high MPG 's. I want to pump up my tires a bit but not ruin them. What is considered a safe PSI increase without making the tires bald in the center as a result and not setting off the tire pressure monitoring system.

Factory specs: 32 PSI

Daox 09-25-2014 02:28 PM

Maximum sidewall pressure. It will have this rating on the tire itself.

Xusn96 09-25-2014 02:28 PM

If I am not mistaken, I believe the folks around here recommend to inflate to the maximum recommended number found on the sidewall of the tires on your vehicle, or there abouts. AFAIK no one recommends overinflation as this is actually dangerous and could cause injury or even death should a tire fail. Raise pressure yes but don't exceed max pressure on your sidewalls.:D

Daox 09-25-2014 02:30 PM

As for what pressure to run. There definitely is a diminishing effect as you raise it higher. Darin did some testing a while back that illustrates this very well.

http://ecomodder.com/forum/showthrea...tire-2721.html

FordFiestaS 09-25-2014 02:33 PM

Crikes it says 44 PSI. Seems like a lot? But I'll try half that amount, split the difference..... Thx

Daox 09-25-2014 02:44 PM

I've read a few times that tires are burst tested to ~200 psi. Not that you want to drive around at that because bumps might be an issue, but they can handle a lot more than we give them credit for. I know at least a few people who have ran around at 70 psi in their tires...

Fat Charlie 09-25-2014 02:54 PM

I've been running 44 in mine since I got it. Feels great.

FordFiestaS 09-25-2014 02:56 PM

Alright... I'm going all out. With 25k on the tires I can't lose much... So it's 44 PSI. I just wonder about the tire pressure monitoring system going off? Thoughts?

Xusn96 09-25-2014 02:59 PM

Quote:

Originally Posted by Daox (Post 447309)
I know at least a few people who have ran around at 70 psi in their tires...

YIKES!!!:turtle:

2000mc 09-25-2014 03:45 PM

Quote:

Originally Posted by FordFiestaS (Post 447312)
Alright... I'm going all out. With 25k on the tires I can't lose much... So it's 44 PSI. I just wonder about the tire pressure monitoring system going off? Thoughts?

I've reprogrammed a couple 1500 silverados that people put LT tires on so that it treats 50psi as the correct pressure. If it's possible on your car I would assume you will have to have a dealership set up the module watching the monitors with the pressure you want. If they can, I'm guessing they'll probably want to charge you an hour labor to do it. Alternatively, you could set your tires to 44, and let a pound out a day until your tire light goes out.


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