Just my opinion, but i think running the tires (they are stock right?) at 40
psi, you'll have premature wear in the centre of the tread.
When you travel at highway speed, they heat up and they will expand
nominally. If they are already under high pressure, this may turn into a
safety concern.
I think 35 is fine, i actually drove with my 32x11.5 AT/S's at 30 for the
last year and a half, and i had some tread "feathering" cause i like to take
the turns kinda quick, but i also wheel the hell outta it as well. hehehe
Off-road, you want to air them down, and for rally-cross competitions in
parking lots, you want to air them up, and 40 psi would probably be a good
point at which to leave them for this type of event.
But for strictly on-road use, daily-driving type situations, i would stick
with 35. It's safe, and you'll probably get the longest and most even wear
out of your tires that way.
The Adam Blaster
(Waiting ever so impatiently to air down his tires and rip it up at Jon's
come this July!!!!!)
>
>
>In a message dated 4/1/2002 1:39:37 PM Eastern Standard Time,
>pmacey@ans.net
>writes:
>
><<<I've got a 4x4 with the T&H package, there should be a insert re: to
>overinflate the tires by 10 pounds if you're going to be driving at 65+
>MPH. I believe the initial recommended tire pressure is 30 PSI
>
>I'm running 40 PSI (check when cold>>
>
>
>I have the T&H and I did not see that insert. And I do drive 65+ mph. :)
>
>I was running 40 psi (measured when cold) and it drove pretty well. I
>think
>if I do that and throw some better shocks on, I'll be in good shape.
>
>Bill White - www.moparforme.com
>'02 Quad Cab 4x4, SLT+, 4.7, 5 speed, 3.92's, Airaid, MBRP Super Single
>Exhaust
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