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Hello all! I need a little help with tire pressure info. My tires say max 40 PSI but the door of the car says 60 PSI. What should I do? I have always heard to go by the cars number but, 20 PSI difference seems like alot?!
Any ideas!!!?!?!?!?
go by the numbers on the tire
35-40 PSI is the normal for a regular passenger car tire
The only tire I ever heard of being filled to 60 PSI is the space saver spare.
Also High pressure temporary spares tend to lose their air a bit quicker, and this is compounded by less frequent checks, due the increased difficulty in getting at them: in my experience I've always had to haul it out to get at the valve.
What car is this and what kind of tires have you got? 60 PSI for a car is rather high, this is probably something oddball like the original Honda Insight maybe?
If your initial post is accurate, you have the wrong tires on the car. Assuming you are stuck with those tires, inflate them to 40 PSI.
The conventional wisdom of going with the pressures on the door jamb sticker assumes the usual situation where the tires can safely take more pressure than the OEM specs for best overall performance.
Best route overall would be to get the correct tires. If you can't find them locally try Tire Rack.
What make, model, and year is your car anyway? I have seen a lot of cars in my time and never saw that high a tire pressure recommended on a passenger car - trucks yes, but not cars.
The highest tire pressures I know of off the top of my head are the original M3 like I have, I want to say like 37 front 42 rear PSI. I would have to look at the door jamb sticker.
Well, while we wait for greenville to check those tires I have a question/comment re. air pressure. My first car that came with radials was a 74 Toyota and the recommended air pressure was very low - as in about 22 lbs. Over the years the recommended pressures went up gradually to where we are today. What advances have been made that we now can inflate them to 40, which I do in summer. I run my snows at about 35.
I have to also wander why the high pressures. But even then I always go by wear pattern which usually is above recommended soft ride recommendatrion often.It al;so depends on driving style such as late braking that outs pressure on outside front tire to roll. because of weight shift when turning.
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