What's the normal psi (presure) for you tire?

hog4oc said:

What is the normal psi for in stock 18" tire on our 300c, front and back.

Dave

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Factory specs are 30 lbs all round.

I prefer 34 front and 32 rear.

hog4oc said:

What is the normal psi for in stock 18" tire on our 300c, front and back.

Dave

Click to expand...

Look at the label in the car (driver's door jamb area)...altought I prefer 32.

I go by the factory label, remember all those Explorers flipping from delamination with the wrong pressure (did'nt help that the suspension was pretty sloppy)

Northern Rider said:

Factory specs are 30 lbs all round.

I prefer 34 front and 32 rear.

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im just the opposite..32 front and 34 rear.

NR and JJ, how often do you check tire pressure and can you really tell the difference of 2 lbs front to rear? I have on occasion had tires 6-8 lbs low and had no clue.

II kings 9:20 said:

NR and JJ, how often do you check tire pressure and can you really tell the difference of 2 lbs front to rear? I have on occasion had tires 6-8 lbs low and had no clue.

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I have my own hobby air compressor with a good dial analogue guage. I check once a week with the tires cold.

And yes, 2 lbs. makes a difference to me - but I'm pretty anal about tires and brakes (no kidding?). I run the fronts a little harder as it seems to lessen the crown sensitivity.

BTW, I have Pirelli Scorpion Ice and Snows now. Drove in an ice storm yesterday. These tires rock! The suspension and brakes really shine with these tires, even on dry roads. I am not going back to the Contis in the spring.

I thought I was anal at once a month. My contis seem fine even in the snow so far, ignorance is bliss, I also did not realize how bad the speakers and yellow fog lights were until study on this forum. Some say the contis are the cause of bump steer too. I'll try your settings vis a vis crown sensitivity though mine is much better after the bolt kit and 4400 miles. Maybe I'll go to once a week psi, 12 tires not an insignificant bit of work , worth it though, your family's life could depend on it.

must admit i dont check my pressure as often as i should. but car sits in garage most of time. and a few extra pounds does make a noticable difference in handling. i run rear pressure a little higher because in my younger sport car days it was recommended by the "experts", but now i dont remember why. obviously improved handing was the reason.

II kings 9:20 said:

NR and JJ, how often do you check tire pressure and can you really tell the difference of 2 lbs front to rear? I have on occasion had tires 6-8 lbs low and had no clue.

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Yes, I can notice (check about every 2 weeks or so or when the feel has changed). I have a number of twisty country roads by me where the difference is really apparent...low pressure gives me more 'mush' into a turn, etc.

44psi is the max permitted pressure for the tire, but you need to follow the car manufacturer's recommendation on the door jam.

40 is MAX PSI. Running that high means you'll wear out the middle portion of the tread first. I run 32 PSI cold.