285/75/16 sidewall sway?

C.Berry

C.Berry

Bad News
Joined
Aug 10, 2008
Location
Blacksburg, Va
New st maxx got put on today 285/75 load e! Psi is at 65lb took off from garage and felt a little tire away like sidewalks giving or maybe I got use to the Michelin ltx m/s? Wrong psi for that tire possibly? They ride amazing up to 75mph in a 2500 burb but the sway has me concerned a little even tho it's not breaking traction seems strange! The 33/12.50/15 Ko2s I put in my 94 1500 burb didn't sway this much but seems cooper has a lil more tread height!? Any ideas?
 
Give it a couple hundred miles. That's how the 285/75r16s were on my Duramax at first, but they settled down after a few hundred miles.
 
I was figuring it was just top layer of rubber coming off! Sidewalls don't look buckled so it didn't make much sense!! Other than that these tires are quite as can be for the tread pattern! I'll post up how it goes on down the road
 
Just for the heck of it try running max pressure, probably 80 psi , that would reduce sidewall flex if that's the issue. I' ve never experienced that with new load E tires. I like running at 65 psi when not fully loaded or towing. I have carried over 2000 lbs in my 2500 suburbans with out a problem other than feeling a little heavy
 
I'd venture to guess that 19/32 of tread would walk a little. Let them go through a few hundred miles worth of heat cycles and they'll be fine.
 
moldman05 said:
Just for the heck of it try running max pressure, probably 80 psi , that would reduce sidewall flex if that's the issue. I' ve never experienced that with new load E tires. I like running at 65 psi when not fully loaded or towing. I have carried over 2000 lbs in my 2500 suburbans with out a problem other than feeling a little heavy
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It's gettin a lil less noticeable believe it was just new tire running off! Got other issues now this damn trucks stumped two Mechanics with the sluggish low end and now it started jerking on highway up hill and into gears... always something lol
 
They fit good, awesome on highway too! the walk in front is almost gone backs not bad tho! slight rubbing but nothing major I've not messed with tbars besides leveling the left right lean it had up front driver side was down 2"...
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