The manufacture gives us this cold pressure rating but their is one heck of a difference when set cold in August than when set during say January for us. Just for example, our dually was last adjusted in September and just last week when the temp was down to 25 and we went and got it out of the insulated garage and soon two of the alarms were a blaring. The pressure drop was 7 lbs. So Mike if we were to set up our Monty cold pressure at 80lbs. today and drive south to snowbird and rechecked our cold pressure when we got there I know it would be at least 90 or more. Do those snowbirders adjust their cold pressure each day along the way??? If you are not moving I would certainly adjust them up to the 90lbs after all, an 80lb. cold pressure is 90lbs. when one gets rolling down the highway.
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Darwin & Maureen DeBackere
Minnedosa, Manitoba, Canada
2011/3500/Silverado/4x4/DRW/Duramax
2017/3721RL/Legacy Pkg./Pressure-Pro
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