[Fot] Toyo hot/cold tire pressures

Tony Drews tony at tonydrews.com
Thu Jul 26 07:14:33 MDT 2007


The spec Miata guys all run RA-1's, that's how I arrived at my 40 to 
42 hot pressure.  There are several articles on the 'net about those 
tires.  They recommend lots of camber too.  Running 36 front / 34 
rear (cold) pressures, I wasn't unduly wearing the middle, but the 
middle did wear slightly more than the outside edge.

Also, you can ignore the rotation arrow on the side of the tire - 
that's for wet running only.  When you bevel the inside edge, have 
them flipped on the rim to even out the wear.

Incidentally, the RA-1's are GREAT in the rain (especially compared 
with the Vintage TD which is awful in the wet).  I won a race on a 
drying track with those tires, even though they had very little tread left.

- Tony

At 07:11 AM 7/26/2007, Barr, Scott wrote:
>  <<Jack found that 38 was too high, 34 (or maybe even 32) was much
>better >>
>
>And looking at the treads on my Toyos, I think they could have used a
>little more pressure than 28#.  The wear bar is just starting to come
>through on the outer edges, but there is still at least a 32nd of wear
>left down the center of the tread.  (Spitfire)
>
>Scott B.



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