New LT tires on f150, what PSI
Hi, just bought new tires for my 2011 F150 max tow, had the p285/65 r80 and upgraded to the Michelin LTX M/S2 E rated tire same size. I used to run the p tires at 35 unloaded and 45 towing. When I che...
Forum Discussion
I have compared my table results to 2-3 other load tables and each time my values have come up a little higher than the other load tables. I have read where many feel that you should run your tires at max pressure regardless.
If you have a load table in mind Id be glad to compare again.
ON EDIT:
I found this Michelin table - although it does not cover the mentioned tire ratings it shows how the values compare:
Based on the Michelin table
5250/2=2625
2625# requires 65PSI for this load
Based on my formula
2625/3024=86% load
80*.86=68.8 PSI
Based on the Michelin table
1700 should have 35 PSI for this load
Based on my forumula
1700/3024=56% load
80*.56=44.8 PSI for this load
The following information will not format correctly but you can count columns for the proper values:
Based on these values:
PSI 35 40 45 50 55 60 65 70 75 80
Single 3400 3730 4060 4410 4670 4960 5250 5530 5800 6084
The table:
http://www.michelintruck.com/michelintruck/tires-retreads/load-inflation-tables.jsp
This is just my opinion.
If you have a load table in mind Id be glad to compare again.
ON EDIT:
I found this Michelin table - although it does not cover the mentioned tire ratings it shows how the values compare:
Based on the Michelin table
5250/2=2625
2625# requires 65PSI for this load
Based on my formula
2625/3024=86% load
80*.86=68.8 PSI
Based on the Michelin table
1700 should have 35 PSI for this load
Based on my forumula
1700/3024=56% load
80*.56=44.8 PSI for this load
The following information will not format correctly but you can count columns for the proper values:
Based on these values:
PSI 35 40 45 50 55 60 65 70 75 80
Single 3400 3730 4060 4410 4670 4960 5250 5530 5800 6084
The table:
http://www.michelintruck.com/michelintruck/tires-retreads/load-inflation-tables.jsp
This is just my opinion.
