Higher tire pressure ok on front?

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Old 11-02-2002, 08:13 PM
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Higher tire pressure ok on front?

Has anyone noticed that with the recommended front tire pressure on a 2002 CLS the tires look half flat? I had to take it up to 42 to get it look just like the rear tires. I know this is a very front heavy car...so I don't think it should be a big problem. Thoughts?


-Arun

2002 CLS w/ NAV
Stock except for AEM CAI
Old 11-02-2002, 08:35 PM
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35 psi max on stock tires.

ride and handling will suffer at 42 psi.
Old 11-02-2002, 08:39 PM
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Originally posted by mattg
35 psi max on stock tires.

ride and handling will suffer at 42 psi.
I run 35/36 front, 34/35 rear.

Max psi for the stock tires is only like 41, so be careful.

My new Falkens max at 50 I believe. I dunno if I should run them at the same psi as the stock tires or up them a little? They are 225/45.
Old 11-02-2002, 08:40 PM
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I do not consider comsetics when it comes to tire inflation.
Old 11-02-2002, 08:46 PM
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It is not for cosmetic reasons...and I find that handling is better but ride is little rougher. 42 maybe a bit high still. I will try 40. Thanks for the input.
Old 11-03-2002, 03:00 AM
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I believe the max for stock Mich tires are 44 PSI.
I put 39 front and 40 rear. the advantage so far I noticed is +2Mpg.
Old 11-03-2002, 10:14 AM
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I ran the stock tires at the recommended PSI. When I upgraded to the SP5000 I wound up at 44 front and 38 rear to get a good patch (I drove over a spot in our parking lot that had cement dust that covered where the tire was hitting the pavement). YMMV
Old 11-03-2002, 10:29 AM
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I'm running 40 all around on my new Yoko's. I think the max is 44.
Old 11-04-2002, 02:47 PM
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Over- inflation is just as bad as underinflation. Your tires will wear out prematurely and your handling will suffer. Your front tires on a front-wheel drive will always look a little lower than the rear ones because of the weight difference. To go from factory spec of 32 to 40 or more is over-inflating too much
Old 11-04-2002, 03:35 PM
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My stock when I had them were 38PSI all around. The Toyos I have now are 42PSI all the way around.
Old 11-04-2002, 03:39 PM
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Nitto are 36 all around.. getting to the end of their life ( still legal tread) they do suck on wet pavement... very bad braking (ABS goes on) and spin the tires easily...

Next spring new tires... Yoko ES100..
Old 11-04-2002, 07:55 PM
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Aesthetics and theoretical pressures based on weight distribution aren't at all good ways to determine the right inflation pressures. What you all need to use is tire pyrometer.
Old 11-04-2002, 08:16 PM
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personally I run 35-38 in my tires. and I'm running Goodyear American Eagles(all the way around)(which i hate )(I got a deal on the tires I'm never going back with Goodyear tires on a Honda again) (I wanted to go with Firestone or Bridgestone(cause that's what was on it before I put on the Goodyears) and this was while the Ford/Firestone stuff was going strong dad wouldn't let me put on Firestone
Old 11-05-2002, 09:54 AM
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psi

Shouldnt you follow whatever it says on the driver door side sticker.... its says the recommended tire pressure.. for every car is different.. i think for the CLS its like 32-35PSI?...
Old 11-05-2002, 10:01 AM
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Re: psi

Originally posted by jucee187
Shouldnt you follow whatever it says on the driver door side sticker.... its says the recommended tire pressure.. for every car is different.. i think for the CLS its like 32-35PSI?...
Yes, if you have the OEM tires. but when you change wheels and tires (sizes), you're tire pressure is going to change. YMMV
Old 11-05-2002, 10:05 AM
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go with what the manual says.. mine is 32 all around
Old 11-05-2002, 10:07 AM
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Re: Re: psi

Originally posted by CO-CL-S
Yes, if you have the OEM tires. but when you change wheels and tires (sizes), you're tire pressure is going to change. YMMV
Not necessarily true. You still need to follow the car's guidelines, not the tire's.

Tire manufactuers have no idea what car you're going to put a tire on and make very general assumptions on tire pressure.

CO-CL-S had it right with his test of correct tire pressure. Take a piece of chalk and run a line across the tread. Drive about a half a block. Look at the chalk mark. If it has rubbed off on the sides, tire pressure too low, if it has rubbed off in the middle, tire pressure too high. If only one side is worn off, you have alignment issues.
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