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I can't say whether the wheel wedges make any difference on tire wear with stock tires and wheels.
However, with 8" wide, 17" Yokohamas it makes a big difference. I put about 20K miles on my first set of 17" tires and the inside edge was worn to the steel belts. Installed the wheel wedge kit and have about 18K miles on my second set of tires and the tires are wearing evenly across the tread.
But, the tire actually sticks beyond the fender a bit and on some bumps the tire will contact the fender. I'd love to flare these to give me the tire clearance I need. I also installed 1.25" lowering springs at the same time I installed the wedge kit, so that also made the tire to fender clearance issue worse. :cool:

 

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Back in 1989 I owned a Chevy automobile with front wheel drive and the aliment shop showed that the rear wheels were negative camber and not straight ahead. I went to a transmission parts shop and purchased wedges that were for the rear wheel backing plate to correct the negative camber and straight ahead. They were installed similar to the photos in this tag. The wedges were not metal but hard "plastic?" gasket material. If someone wants to check a transmission parts supplier, they may find such a kit. You need to know how much negative camber you have to match the correct wedge thickness.

MLogan
2014 Passion
Smyrna, TN
 

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I had a set in my 2009, If I could, I would install them in my latest car too. If we could get dimensions, we could probably get them made up. Unfortunately I sold that car and I don't have a set to measure.
 

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well, i put electric smart shocks/stuts,springs in my 09 smart.....front and rear are wearing out tires big time now....front and rear wedgies would be nice
 

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Well I looked all over the place and couldn't find it....a HOW-TO on how to install wedgies. I have had these for some time now but as with most things I do, the project doesn't get done. Soooo, today I finally got around to installing my set I have had for a long time. Took pics along the way, not the best in the world but better than nothing. Hope this thread helps, been a while since I have done one.

First - I'll cover a few things first for the newbies.

Q. How can I get me some of them wedgies?
A. SmartMadness carries them - here's a link to them so you can snatch them up. :cool: The Link: Rear Wheel Wedge Kit - BMS

Q. What does a wedgie do?
A. An explanation straight from the link above best describes it.
"This kit adjusts (2 degrees) the camber of the rear wheels of your smart car and eliminates the "Overloaded Trailer" look on your smart car."

Q.
Has anyone had problems after they installed them?
A. This thread (first 1K miles with the wedgies....) should be able to cover that question as well as some other questions/concerns.

DISCLAIMER! - I am not a professional, maybe a backwoods hick, or a hack of a shadetree mechanic but not a professional though I am trying to do better ?. The car in the pictures has around 10,000 miles of OFF-ROAD - your car should not have a suspension half as dirty.

Now for the installation instructions and pictures:

This is a picture of parts included for ONE SIDE, each side you will use a wedgie, 4 bolts/washers, & a spacer.



Remove Wheel



Remove Brake Drum then remove center bolt from axle end (16mm socket)



Slide axle back then remove 4 torx bolts that secure wheel hub then discard them. (E14 external torx, ) This picture is looking down from the top as if you stuck your head in and looked face down on top of the axle.




Slip spacer on CV shaft, chamfer towards CV joint.



Slip wedge between backing plate and mounting bracket. (make sure TOP markings are UP)




Reassemble wheel hub using provided hardware. (16mm socket)



Reassemble everything else in reverse, center axle bolt torque is listed at 47 foot pounds. Repeat steps on other side, you're done.
:bigthumbup:
Sadly, these photos are no longer available. Can I get them from you somehow?
Thanks.
 

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Not to ressurect an old thread, bit does anyone have the dimensions/specs of the wedges? Or pics? I'm wondering about getting some 3d printed, since that's a thing now and would like some numbers to go off of.
 
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