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Mark's blowout & tire wear (archive)

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Posted by Robert on September 30, 1998 at 10:55:34:

In Reply to: Re: Tire wear posted by Mark on September 29, 1998 at 21:12:01:

For those that don't know, Mark was the one that had a blow out North of Chattanooga. Larry and the 7 series came to the rescue and quickly got Mark rolling again with a full size spare (see picture).


In October of 1996 I took delivery of (what is now) Mark's Z3. Roughly 19000 to 20000 miles later the front tires were in good shape but the rear tires were VERY bald (but wore evenly). Instead of just replacing the rear tires I purchased some used AC Schnitzer Wheels and Dunlop SP8000 tires. When I purchased the 17" used tires they had roughly 3 to 4 thousand miles on them.


It wasn't that long afterwords that I got the itch to trade in the 1.9 on a M roadster. Long story short Mark now owns the 1.9 Z3. Problem is Mark got even less tred life out of the 17" Dunlops. But the wear pattern is different. Now it appears the rear tires are wearing on the inside more, and the fronts are wearing at about the same to slightly less rate than the rear tires.

So it was either going from 16 to 17 inch tires, or going from Michelin to Dunlop, or the swaybars, or the fact that it was a virtual oven here in Texas this summer (its still mid 90s down here). Too many variables to figure out what is to blame, but we sure would like to get some idea to see if it is something we can change.

Possible Solutions


  1. Go back to Michelin tires - Which it sounds like Mark is doing
  2. Go back to stock 16" wheels and tires - Ahhh, that would just be a crying shame. The Schnitzers just look to good.
  3. Adjust front swaybar to loose setting - currently front is tight, back is loose (would this really have an affect on tire wear?)
  4. Tell Mark to start using the brake around turns - I don't think this is a viable option :)

VERY interested to hear opinion, speculation, etc.



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