Advice on Tire pressures
#1
Advice on Tire pressures
Hi,
Picked up 19’ F350 and factory tire settings were 60psi front , 80 rear.
From hauling before, I understand 80psi is what you safely need under a load.
But for day to day driving, is 60psi all the way around ok? Will it cause the tpms to give me warnings?
The ride is noticeably smoother in the front with lower pressure.
Thanks for any help and advice. I appreciate this forum.
Picked up 19’ F350 and factory tire settings were 60psi front , 80 rear.
From hauling before, I understand 80psi is what you safely need under a load.
But for day to day driving, is 60psi all the way around ok? Will it cause the tpms to give me warnings?
The ride is noticeably smoother in the front with lower pressure.
Thanks for any help and advice. I appreciate this forum.
#2
It might, depends on your TPMS settings. I used Forscan to modify my alarms to under 60psi all the way around. Mines a diesel so I am running 65 psi all the way around. Seems to be the separate spot when empty for me. When towing, my trailer isn’t that heavy so usually air up towing to 75 PSI rear. Fronts stay the same. When I hauled my buddies heavier enclosed car hauler, 80 PSI rear.
#5
Here’s What’s Working for Me.
I have done quite a bit of experimenting with the tire pressures on my 2018 F350. Blanche has the 6.2.
I run 60 psi up front and about 63 out back. My TPMS light comes on at 59 psi on the rear. I run 63 to allow for cooler temps when she sits at night.
if it really cools off I have to play the game to get the light to turn off and then back down to 63.
Mr. King
I run 60 psi up front and about 63 out back. My TPMS light comes on at 59 psi on the rear. I run 63 to allow for cooler temps when she sits at night.
if it really cools off I have to play the game to get the light to turn off and then back down to 63.
Mr. King
#6
#7
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#8
I have 2018 F250.
Truck is a 2018 Lariat 6.7 Diesel crew cab with the 6'9" bed - FX4 package - 20" factory rims & Michelin tires - 8600 mile on the OD.
What we have done:
1. Installed FOX 2.0 Performance Series IFP shocks Front # 985-24-154 Rear # 985-24-151
2. Installed FOX 2.0 Performance Series Stabilizer IFP # 985-24-00
In the quest for the best possible ride - I called Fox....
Per the tech support recomendation - Did the following:
Set the stablizer to 45LBS to deal with the slight drift to the left
Front tires aired to just below factory specs - cold 58LBS
Rear tires - drop them down - cold PSI 53LBS - My son used his shops programmer and set the rear air threshold to 50LBS left the front at the factory setting to trigger the TPMS alert light.
Ride is the best ever. Fox tech also said to give the shocks some time to break in and they will improve.
Hope this helps.
Truck is a 2018 Lariat 6.7 Diesel crew cab with the 6'9" bed - FX4 package - 20" factory rims & Michelin tires - 8600 mile on the OD.
What we have done:
1. Installed FOX 2.0 Performance Series IFP shocks Front # 985-24-154 Rear # 985-24-151
2. Installed FOX 2.0 Performance Series Stabilizer IFP # 985-24-00
In the quest for the best possible ride - I called Fox....
Per the tech support recomendation - Did the following:
Set the stablizer to 45LBS to deal with the slight drift to the left
Front tires aired to just below factory specs - cold 58LBS
Rear tires - drop them down - cold PSI 53LBS - My son used his shops programmer and set the rear air threshold to 50LBS left the front at the factory setting to trigger the TPMS alert light.
Ride is the best ever. Fox tech also said to give the shocks some time to break in and they will improve.
Hope this helps.
#10
It's always interesting to read these posts and see that apparently everyone's TPMS is set differently. My 2017 F250 SRW has not been changed from factory settings (unless the dealer did it before I bought it), and I run 55 psi front and rear unloaded, and have not set off a warning light. Is there a "standard" factory setting, or does it vary from one truck to the next?
#11
Hi,
Picked up 19’ F350 and factory tire settings were 60psi front , 80 rear.
From hauling before, I understand 80psi is what you safely need under a load.
But for day to day driving, is 60psi all the way around ok? Will it cause the tpms to give me warnings?
The ride is noticeably smoother in the front with lower pressure.
Thanks for any help and advice. I appreciate this forum.
Picked up 19’ F350 and factory tire settings were 60psi front , 80 rear.
From hauling before, I understand 80psi is what you safely need under a load.
But for day to day driving, is 60psi all the way around ok? Will it cause the tpms to give me warnings?
The ride is noticeably smoother in the front with lower pressure.
Thanks for any help and advice. I appreciate this forum.
If a SRW there is no problem at all with running the rears at the same pressure as the fronts, unloaded. I run mine at 60 psi all around unloaded and the ride and wear are much better. When I am towing I set the rears at the factory spec.
#14
In my 2013 Ram 2500, it actually had a switch for the TPMS system that would allow you to do light/heavy load situations. It recommended 65 front, always, and 45 for light load with 75 for heavy load. When I got my 3500, recommended pressure was 80psi, but it did not have any warning system for pressures, so I would still air down to 45psi.
Someone here mentioned the chalk test the other day, and that's probably the right way to test. Something like draw a chalk like across tread on width of tire, drive straight lines forward and back. Check chalk line. If chalk if wiped off of center, but not outer tread, then you have too much air for the current load.
Someone here mentioned the chalk test the other day, and that's probably the right way to test. Something like draw a chalk like across tread on width of tire, drive straight lines forward and back. Check chalk line. If chalk if wiped off of center, but not outer tread, then you have too much air for the current load.
#15
When I had a single-rear-wheel truck with the same pressures on the sticker, I had the same question. I call the dealer and was told not to reduce the pressure in the rear tires when empty - run them at the specified 80 PSI. I don't know if this answer was driven by the TPMS parameters or not.
Rob
Rob
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