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Old 08-31-2007, 01:23 AM
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Default Re: what 's the correct air pressure when doing it on sand, on highway, and on offroa

Quote:
Originally Posted by Steve #1
18 PSI? That's total right? As in 4.5 psi per tire?

For most vehicles / tires, it's not worth getting out of the truck, much less having to air back up if you don't go down to at least 10 PSI.

To get a good ball park, park on pavement and measure from the ground to the bottom edge of the rim. Reducing this distance by 25% will give you the largest foot print you can get (unless you want to get technical and do a ton of measuring). It depends on the tire and weight of the vehicle, but in most cases your looking at about 5 PSI, but may be anywhere from 2 to 10 PSI.
Steve,
Evidently you are running helium in your tires. When you air down stop inhaling it!
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