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driver side rear tire wears out faster

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Old 11-17-2007, 01:12 AM
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Default driver side rear tire wears out faster

i started noticing this lately on my ls1 stang, the driver side rear tire weares out faster than the passenger side.
what could be causing this ?? i'm on the the third set of tires and this has happened on all of them ( so this rules out a bad tire) . car drives straight but i noticed that my driver side burnout marks were darker than the pass side.

what could be causing this ? should i add air on the pass side rear airbag? should i lower the front right corner?
Old 11-17-2007, 01:22 AM
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maybe more weight is sitting on that corner of the car.
Old 11-17-2007, 09:44 AM
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if i remeber correctly , the weights should be the same om both sides ( or pretty darn close) ,but i'll have to check that again.

if it is , how should a go by correcting it ? lower front corner or more air in the air bag?
Old 11-17-2007, 11:55 AM
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what type of rear differential do you have? with most street differential more torque is applied to the passenger rear so i dont really know how your driver's side could wear faster but good luck with that
Old 11-17-2007, 05:38 PM
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does that with mine to. probably more power to that side? lsd?
Old 11-17-2007, 08:55 PM
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Your LSD is probably slipping. You might also tweak the tire pressures so both have good contact patches.
Old 11-19-2007, 11:08 AM
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Originally Posted by 1dirtyZ
i started noticing this lately on my ls1 stang, the driver side rear tire weares out faster than the passenger side.
what could be causing this ?? i'm on the the third set of tires and this has happened on all of them ( so this rules out a bad tire) . car drives straight but i noticed that my driver side burnout marks were darker than the pass side.

what could be causing this ? should i add air on the pass side rear airbag? should i lower the front right corner?
In a solid axle car the driverside rear tire always has more down force than the passengerside due to drivetrain rotation. The most common ways to help even it out is with weight distribution or anti- rollbar.

Lee Spicher
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(813)986-9302
Old 11-19-2007, 11:29 AM
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Originally Posted by 1dirtyZ
what could be causing this ??

car drives straight but i noticed that my driver side burnout marks were darker than the pass side.

what could be causing this ? should i add air on the pass side rear airbag? should i lower the front right corner?
The real question is... are the wheel speed rates the same left to right or not ?? If not, then it sounds like you need to load the left rear more and control the left side wheel spin.

More air in the right bag or increasing the right front wheel load (meaning not lowering the right front) might help. Worth a try...
Old 11-19-2007, 12:29 PM
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a adjustable panhard bar helped me out a bit but didn't solve the poblem. I just rotate my tires more frequent.
Old 11-19-2007, 12:44 PM
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If you have drag bag(s) you can certainly jack the
weight distribution. At the track last weekend I put
15PSI in my passenger's side air shock and left the
driver's alone (I installed them with separate plumbing
for this purpose), and in the video could see the driver's
rear tire was doing most of the smoking. Using video
to look for balance is not a bad way to go (or, just
see what PSI on the passenger's side makes the stripes
come out equal length, or something).

I believe spinning, not weight load, is your primary wear
mechanism. Smoke gotta come from somewhere.
Old 11-19-2007, 02:42 PM
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It wears the driverside more because it is doing more of the work......

Lee Spicher
lee@bmrfabrication.com
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Old 11-19-2007, 03:50 PM
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I suppose that with both spinning, but more downforce left on
the driver's (passenger's lifts, some) there is going to be a more
aggressive material removal (just like bearing down harder on
the sander).
Old 11-20-2007, 07:35 AM
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thanks for the input guys,
chicane , why would raising the front right corner help? from what i understand, if toy lift the the front right corner the car will pivot around the axis formed betweent he front left tire and the right rear tire , and by doing so will exsert (sp?) force on the left rear ( driver rear ) tire , which is the exact opposite of what we want to do???
Old 11-20-2007, 08:27 AM
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Originally Posted by jimmyblue
I suppose that with both spinning, but more downforce left on
the driver's (passenger's lifts, some) there is going to be a more
aggressive material removal (just like bearing down harder on
the sander).

Exactly...

Lee Spicher
lee@bmrfabrication.com
(813)986-9302



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