Re: [toyota-prius] Re: tire stem caps
- Linda, there's a LOT of room to play between "way too soft" and "a bit hard"!
Why not try 40/38, etc.?
LRR? It's a matter of sidewall construction and other factors, although with
any tire more pressure will always reduce rolling resistance!
> Maybe the roads I drive on are comparativly smooth, cause I don't
> feel the harsh jittery drive at 50 psi in the tires. Infact, I'd say
> that at 35/33 the car seemed sluggish and non responsive. Only once
> did the stiffness of the tires become teeth jittering, that was on a
> stretch of freeway in the mountains where years of car chains left
> 1000's of divits on the concrete road. (interstate 80 to Reno NV)
> BTW where else does "low rolling resistance' come from?, but from
> stiff tires.
> Linda said
> > I had to monkey with the tire pressure now anyway, I tried the
> > 42/40 Pete and others have been advocating...
> > After 12 miles of driving to test it, I decided new dental work was
> > more expensive than new tires, and reduced the pressure to 35/33.
> > No wonder Toyota demos the car at 35/33; if I'd test driven it at
> > 40 psi, I would have thought twice about paying that much for a car
> > with that kind of ride. My tires are fine, normal wear, so I don't
> > need to tweak with psi to preserve tread; I'm going to leave well
> > enough alone and enjoy the comfort.
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- You wrote...
> Linda, there's a LOT of room to play between "way too soft" and "a bit hard"!It would appear that 35/33 is not "way too soft" for my car. Toyota
> Why not try 40/38, etc.?
recommends the pressure. At that pressure my tires do not leak air pressure,
nor do they wear abnormally. My mpgs are to be expected for the driving I
42/40 was not "a bit hard" -- it was "way too hard" for me. The car bounced
around like my old Chevette. With all that bounce and jar, the creaks and
rattles in the car were making themselves known, too. The noise of the bumps
and the rattles was more than offsetting the 'zen' feeling of driving the
Prius... If I wanted a car that felt and sounded like a tank, I wouldn't
have bought the Prius. (Granted, March is not the most forgiving month in
Wisconsin, as all the roads are thawing out...but, that's where I have to
drive, and that¹s what I could test.)
I've been very happy at 35/33 (except for wandering all over the road at
highway speeds). I satisfied my curiosity with my experiment with higher
tire pressure, and I don't really see what's to be gained by testing tire
pressures incrementally down from 42, unless someone can tell me it will
stop the wander.
I wasn't knocking what works for you. I was just stating what didn't work
for me. To each his (and her) own.