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Author Topic:   Hoosier A-40 or American Racer UMP?
Dirt Maniac

Total posts: 109
posted May 23, 2004 02:18 AM  
The track's i've been running give the choice of either the A-40 or American Racer UMP. I've been running the Hoosier A-40. Are the American Racers good? Is there a difference in diameter or anything else? Which one would you run?

Dirt Maniac

Total posts: 171
posted May 23, 2004 08:39 AM  
From what I've been told, the American racers have softer sidewalls than the Hoosiers do. They seem to work better if you're running on an abrasive track.

Dirt Maniac

Total posts: 199
posted May 23, 2004 02:53 PM  
not sure what you mean by american racer ump..but we run both hoosier and the medium american racer, if you've got the choice of a-40 or american, i would definitely go with the american..better side bite and they hook up good..we've won on both but i would stick with the latter..

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