Miata Mailing List: April 1993, Message #92
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   From: (none)
Subject: Re: Tire Pressure
   Date: (none)

>Well, it's been just over a month now since I picked up my '93.  I did the 
>first oil change this weekend.  To my delight, I was able to unscrew the oil 
>filter by hand and avoid getting the ``special'' wrench.
>
>While I was in my grubbies, I decided to rotate the tires and check the 
>pressure -- the first time I had since I got the car.  To my surprise, it was 
>at 45 p.s.i. (cold)!  I quickly looked up what it was supposed to be (26), 
>and corrected the situation, amazed that the dealer had over-inflated them so 
>much.  Even the sidewall spec (stock Dunlop D89) says max pressure is 
>35 p.s.i., and it hasn't warmed up *that* much since March.
    ...
>So, what's the deal?  Anyone else found a better pressure?  The tires even 
>*look<8 low at 26 p.s.i.  For now, I've pumped them back up to ~32 'till I 
>find out something better.


Don't run at 26psi.  I'm convinced that whoever put that sticker on was 
trying to create a nice cushy ride for Americans.  I usually run mine at
about 30-31psi and get fairly even tire wear.

-Jeff