best tire pressure?
Thread Starter
Lexus Champion
Joined: Aug 2007
Posts: 4,507
Likes: 38
From: Bethlehem Twsp. Pennsylvania
What tire pressure do you guy`s get your best ride at? I have a 2001 AWD w/Goodyear Integrity factory type tires.I currently run about 28psi,seems to give the best ride.I don`t like to go to high because of unnecessary wear on the suspension.Just wondering what you all run at?
Thanx,
Ryan
Thanx,
Ryan
First off, the factory Integrity are crap on snow, and rain is not much better. I would go with Michelin Cross-Terrains.
I run my X-terrain at 33 psi front and back. Running at 28 is too low and you're sacrificing mpg for a soft ride. Also, I'm sure at 28 psi you're too low and starting to ride outside the tread surface.
I run my X-terrain at 33 psi front and back. Running at 28 is too low and you're sacrificing mpg for a soft ride. Also, I'm sure at 28 psi you're too low and starting to ride outside the tread surface.
You will find that most of the time auto manufacturers compromise on the tire pressure. The higher pressure will give you (faintly) higher gas mileage and definitely a harsher ride (and longer tire life). The ride is the main reason they set the pressure as low as they do. A lot of people would chose not to buy the car if the tire pressure was set to what was best in all other respects (excluding ride). Most people run their pressure at too low a setting (because of factory recommendations and not checking pressure often enough) A tire losses about 1 lb. pressure per month naturally and with the factory recommendations low to begin with it doesn't take too long before the pressure is low enough to be dangerous (if loaded heavy) and destructive to the tire. But then most people won't put up with the harshness of the ride when set where they really SHOULD be.
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Anyway, came back onto tires.com and read comments on the tire, it's quiet, but crap on snow and ice. Oh great, the two reasons I got the X-terrain and now I'm going to probably regret it for the next three to four winters. Gosh I hate rash decisions based on price...
dumbo.The good thing is that with 400 miles, I got my 2 mpg (and better) on highway back. I'm doing about 19.9 now, whereas before with X-terrain I was lucky to get past 17.
Thread Starter
Lexus Champion
Joined: Aug 2007
Posts: 4,507
Likes: 38
From: Bethlehem Twsp. Pennsylvania
,I pumped up the Goodyear`s to 32psi,and feel`s much better.Also seem`s to brake more surely.Everything feel`s a little better.I got this 28psi stuff about 20 some years ago,I had bought a new Mercury Lynx (XR-3) And it came factory with Goodyear Eagle GT`s.I was stationed @ Fort Polk Louisiana,and the roads down their were worse than PA`s.Needless to say,I felt every bump in the road with that little car.So I ended up playing with the tire pressure until I found the best ride for the road conditions etc.And it happened to be around 27-28psi.But,the Lynx was lucky if it was 2900 lbs. soaking wet,our RX is 4,000lbs wich I didn`t take into consideration.
Last edited by lexus114; Aug 29, 2008 at 09:52 AM.
Took me several months to figure out 32/30 is the best with the Integrity (for me at least.) So you should pay me for it. 
I use Goodyear Fortera TripleTred now. It's outstanding in snow and ice - important in Colorado. The handling is well. The ride is horrible, however. So there's always some trade-off. I pump 30/29 on this set which seems to give me the best compromise.
I do miss the Dueler's magic carpet ride. It's almost like the RX is hovering on the ground.

I use Goodyear Fortera TripleTred now. It's outstanding in snow and ice - important in Colorado. The handling is well. The ride is horrible, however. So there's always some trade-off. I pump 30/29 on this set which seems to give me the best compromise.
I do miss the Dueler's magic carpet ride. It's almost like the RX is hovering on the ground.
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