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That's some low PSI on a heavy duty truck. Are they E rated? On my truck I have a light load button that I can push when I run a lower PSI. I've never used it though since I'm always running with some sort of load. I always have 70 on the front and it will vary a little in the rear. Usually no less then 70 there as well.
Yep, E rated.
This is not an accurate statement. I worked for several different brand new car dealerships, and tpms pressure is easily and legally adjusted max and min. On most Toyotas there is a button in the knee bolster area that lets the consumer change tpms values. I have aftermarket scan tools on my truck right now that can change tpms settings.
That is an accurate statement. I currently work in the automotive business and have worked with Ford, GM, and Chrysler. Those three, you cannot adjust with the manufacturer scan tools (such as IDS for Ford.) TPMS is a federally mandated system and if dealers were given access to change the parameters, what is the point? You could just set the parameters to 0-100psi and never have to see the light on. But, that would avoid the whole purpose and negate a system designed to increase safety.
I spoke with several Chrysler/Fiat technicians today and they all agreed TPMS threshold was an easily adjustable parameter and doable at the dealer.
Forget all that man. I’m running 35x12.50x20 BFG KO2’s on my F150 and rides like factory. 20k miles on them so far and they look great. Have towed boat, driven to Florida, and daily driver to work. They aren’t cheap though! Think I spent around $1,500
They are mostly used in big truck tires, and are pretty effective. I know of a couple of my customers who are using them in larger light truck tires with pretty good success. The advantage they have over regular weights on the rim is the beads can actually compensate for a tire that is slightly out of round or inconsistencies in the sidewall structure/strength; commonly known in the industry as road force variations. Basically, they don't do anything that a good tech with a good road force balancer couldn't do, they just do it easier and quicker therefore making more money for the tire retailer.
Do you work for a dealer? How much would they normally charge to change my tire size in the computer? I am going to see if the guy can do it for free - can't imagine it takes long.Finally got out to my 2017 Ram with a scan tool, heres some pictures
View attachment 79787 View attachment 79789 View attachment 79790View attachment 79791
Sorry about the shoddy quality of the images
I don't work for a dealer presently; I worked as a master mechanic in multiple dealerships for 25 years and I've been doing my own thing as a Toolman for the last five years. Anybody with a decent scan tool, whether it be dealer or aftermarket, should be able to set your TPMS threshold parameters. The above pictures were of a Mac Tools ETX431Tab10 scan tool being used on my own 2017 Ram 1500 Ecodiesel. I could set TPMS threshold and tire size as well as multiple other parameters.
Right now about $3200 is about the best bang for the buck as far as scan tools. Then it's 700.00 a year to maintain an update subscription.
That's kind of odd; one of my stops is a Chrysler/Jeep/ Dodge dealer and all the techs I spoke with said they could do it.