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Member
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Join Date: Jun 2018
Location: Colorado
Posts: 314
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Member
Join Date: Jun 2018
Location: Colorado
Posts: 314
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Quote:
Originally Posted by Old Tanker
I recently swapped from the stock Duellers to Falken Wildpeaks. Your tire pressure chart would have me dropping the pressure down to 29psi. Before I do that, I think I'll spend an hour this weekend playing with chalk stripes along a quiet road, and see what pressure results in even chalk wear across the width of the tire.
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I really don’t pay any attention to the cold psi. Given the extreme temp changes here in Colorado gauging my tires cold when it is 30 degrees in the morning makes no sense when it could reach 80 degrees. I gauge psi at running temps after the tires have come up to temp. I over-inflate the tires then do a chalk test to find the best psi for ride and tire wear by just letting air out until I just barely get full tread contact edge to edge. Then I adjust as needed as the seasons change. My perfect psi is 38 running temp in my AT3Ws in 275/70/17. Tire wear has been very even and I can tell without looking if they are low or high based on the ride quality. I have done this for decades with great results. With a bigger AT tire setting and forgetting year around in a state like CO is a big mistake.
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