How to tell when drag radials are finished - Dodge Challenger Forum: Challenger & SRT8 Forums
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#1 (permalink) Old 11-25-2012, 03:06 PM
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How to tell when drag radials are finished

These drag radials have quite a few trips down the track on them, but I've noticed the last 2 times at the track I haven't seen more wear on them afterward. Do you think there are a few more 1/4 miles left in them? Is there some rubber left after the wear indicators are gone? Also, any idea why one is wearing more than the other??
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#2 (permalink) Old 11-25-2012, 04:17 PM
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#3 (permalink) Old 11-25-2012, 05:47 PM
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Apparently one wheel is spinning more than the other? I guess........
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#4 (permalink) Old 11-25-2012, 05:53 PM
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I don't like how either of them are wearing...

First impression is you're running too much psi..
Lower about 4 lbs...

They need to wear even side to side..

Trust me...

Last edited by YO-EL; 11-25-2012 at 05:57 PM.
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#5 (permalink) Old 11-25-2012, 06:46 PM
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i agree..........lose about 4 - 8 psi. You should see the outer edges wearing as well as the center of the tread. When the wheel starts spinning, the center tread will extend out due to centrifugal force.........and diminish this effect as it gets closer to the rims. When you have it perfect, you should get a perfect 'scrub" across the entire width of the tires. I don't understand why the one tire has either the inner 1/3 or outer 1/3 worn. I can't tell from the pic how it was oriented on the car. It should have worn the outer edges if pressure was too low........one edge only?.........I don't get it. unless it is set up like a VW bug!

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#6 (permalink) Old 11-26-2012, 06:00 AM
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Here is what beat drag radials look like..
Notice the rubber bead on the outer edge..
Its like that on both inside & outer edges..
Tire wear is even side to side.


Last edited by YO-EL; 11-26-2012 at 06:07 AM.
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