Tire pressure double check
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Mountain Pass
Joined: Aug 2013
Posts: 223
Likes: 19
From: Central Ohio
Tire pressure double check
My new-to-me '97 F250 with 7.3 Powerstroke has Michelin 285/75R16's on it. The door sticker says to run 55psi to 80psi for tire pressure and the tires have 80 psi stamped on the side. This topic doesn't search well and is confusing. Plus I may have already asked it.
What should I run for normal summer rural open road travel? I'm thinking 55 or 60 psi all around?
How about with 8,000 to $9,000 lbs of bumper hitch trailer on the back? F--65 psi. R-- 70 or even 75 psi. psi?
What do you think?
Thank you.
What should I run for normal summer rural open road travel? I'm thinking 55 or 60 psi all around?
How about with 8,000 to $9,000 lbs of bumper hitch trailer on the back? F--65 psi. R-- 70 or even 75 psi. psi?
What do you think?
Thank you.
Thread Starter
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Mountain Pass
Joined: Aug 2013
Posts: 223
Likes: 19
From: Central Ohio
Thank you.
Logistics Pro
Joined: Mar 2007
Posts: 4,581
Likes: 841
From: knoxville, tn
how does it drive with 35 on the rear? You have an exceptional attention to detail and I would be interested to know more about how you settled on that value.
Hotshot
Joined: Dec 2005
Posts: 10,250
Likes: 7,678
From: Chino Valley, Arizona
I always aired down when ELK hunting, 35 takes a lot of the roughness out when on dirt roads. one year I didn't air them back up after hunting and liked the way it rode. no change in handling and no change in fuel mileage.
Laughing Gas
Joined: Oct 2007
Posts: 962
Likes: 104
I run 315/75/16 , so a 35 ,E rated tire , and run them at 45 all 4 all the time .
tire wear is flat across the tread , and I do get 65k miles out of a set .
tire wear is flat across the tread , and I do get 65k miles out of a set .
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Logistics Pro
Joined: Mar 2007
Posts: 4,581
Likes: 841
From: knoxville, tn
I may air mine down and see how it does. I went with air bags years ago and it helped quite a bit. Airing down the tires should interesting. I need to install the front shackle reversal kit too.
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Thread Starter
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Mountain Pass
Joined: Aug 2013
Posts: 223
Likes: 19
From: Central Ohio
I'm not familiar with the front shackle reversal kit. What does it do and who sells them?
More Turbo
Joined: Aug 2019
Posts: 538
Likes: 119
From: Norcal
The RSK kit moves the leaf hinging shackle to the rear of the leaf spring. For some reason the factory place it in the front. When hitting a bump the leaf/axle bounces against you as opposed the bouncing toward the rear moving along with the motion of the truck when placed in the rear of the leaf. I noticed a more crisp ride. But it's still a solid d60 axel so it's never going to ride like a dream. You would also purchase the upgraded SD leafs which are a little longer adding a little travel in the leaf. The standard kit also levels out the truck which gives it a better stance. In addition it ties your frame rails together making things more stronger/secure.
Pmf and sky makes the kits. I didn't find it hard to install. Some drilling require. I added a hitch to mine for a little more $ as an option
Pmf and sky makes the kits. I didn't find it hard to install. Some drilling require. I added a hitch to mine for a little more $ as an option
Thread Starter
|
Mountain Pass
Joined: Aug 2013
Posts: 223
Likes: 19
From: Central Ohio
The RSK kit moves the leaf hinging shackle to the rear of the leaf spring. For some reason the factory place it in the front. When hitting a bump the leaf/axle bounces against you as opposed the bouncing toward the rear moving along with the motion of the truck when placed in the rear of the leaf. I noticed a more crisp ride. But it's still a solid d60 axel so it's never going to ride like a dream. You would also purchase the upgraded SD leafs which are a little longer adding a little travel in the leaf. The standard kit also levels out the truck which gives it a better stance. In addition it ties your frame rails together making things more stronger/secure.
Pmf and sky makes the kits. I didn't find it hard to install. Some drilling require. I added a hitch to mine for a little more $ as an option
Pmf and sky makes the kits. I didn't find it hard to install. Some drilling require. I added a hitch to mine for a little more $ as an option
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