Tire Pressure - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 11-13-2007, 06:25 AM Thread Starter
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Tire Pressure

What tire pressure should I run in my Dually? I looked all over the truck and couldn't find a sticker. There was 50 psi in the front. and 40 psi on the rear outers and 38 psi on the inside ones. So I put 60 psi in the front and 50 psi on all four rears. Is this ok?

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post #2 of 7 Old 11-13-2007, 06:36 AM
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Usually the pressure rating is on the tire it self.
And if it anything like my obs with out training wheels, the tire is rated for 80 psi, Which is what I keep the rears at. But then again I don't have a dually(unless you count my dog).
If you pull any weight, I would go with the higher pressure. But it should be on the tire.

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post #3 of 7 Old 11-13-2007, 06:45 AM
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Originally Posted by Super Kaz View Post
What tire pressure should I run in my Dually? I looked all over the truck and couldn't find a sticker. There was 50 psi in the front. and 40 psi on the rear outers and 38 psi on the inside ones. So I put 60 psi in the front and 50 psi on all four rears. Is this ok?
Depends on what you're doing with your dually. If you're towing or running loaded then go up to the (usually 80 psi) rating of the tire. Running empty, the truck will ride better at 40-50 psi each. I personally don't like to go less than that because of the possiblity of loosing a tire off the rim bead. As I mainly tow heavy with mine, I keep my dually at 80+ all the time. It doesn't hurt anything, at that psi, while it's sitting in the garage.

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post #4 of 7 Old 11-13-2007, 07:05 AM Thread Starter
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I'm not towing anything till summer. It feels pretty good now that I put more air in them. The tire says 80psi max so i'll stick with what there at now. Thanks guys.

2000 F-350 Ext Cab Dually
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Mods: AIH Delete, DIY Tymar Intake, Modded IDM, Zoodad, FBD 5" Straight Pipe Exhaust, ITP Overboost Annihilator, 60 HP Mystery Chip
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post #5 of 7 Old 11-13-2007, 11:30 AM
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I run mine at 60. In the event that I tow something heavy I'll bump it up but usually it stays around 60.

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post #6 of 7 Old 11-13-2007, 11:33 AM
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I run 60 on the fronts and 70 on the rears. Ride is a little rougher but the mpgs are a tad bit better.

Josh

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post #7 of 7 Old 11-13-2007, 01:49 PM
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I run 65psi in all 6 of mine. 80 psi and the ride is harder, at 38psi you are lucky you didn't destroy the tire.

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