04-01-2017, 12:27 PM
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#22
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Rivet Master
2019 25' International
Traverse City
, Michigan
Join Date: Sep 2014
Posts: 594
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Quote:
Originally Posted by WKPwildlife
Hi Russ,
I called Michelin help line (1-866-866-6605) to ask about correct tire pressures for a 4,500 lb AS. He told me that the info wasn’t on their website so he listed it for me:
Michelin Defender LTX M/S2 225/75R16 115R tires:
50 psi = 1,940 lbs
55 psi = 2,060 lbs
60 psi = 2,190 lbs
63 psi = 2,250 lbs
65 psi = 2,335 lbs
70 psi = 2,440 lbs (2,250 lbs)(110%) = 2,475 lbs
75 psi = 2,560 lbs
80 psi = 2,680 lbs
These are minimum recommended pressures. He suggested using the max pressure (not very helpful). I’ve decided to start with 110% of the minimum (63 psi for 2,250 lbs) for each tire: 70 psi. I haven’t given these tires a rigorous test yet.
Bill
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I chose 72 psi with exactly the same tires (on FC20) and have run about 12k miles on that combination/pressure. Ride does not bounce the AS around nor is it squirrelly. Tire temps are not elevated.
__________________
"Don't let perfect be the enemy of better."
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