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Originally Posted by glennf1
My 05 with 17" rims only calls for 37 lbs. The bigger the rim like with the newer models the higher the pressure needs to be.
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Same with my 04. But I found that going from 37 to 40 PSI gives me almost 2 MPG more and the handling and tread life are about the same as running 37. That's strictly for highway and dirt road driveing....no serious offroad. Got 50K out of original factory tires