Karter1

Hi all,

I have a 2010 e350 sport. I recently replaced both my rear bridgestone potenzas with 340 treadwear because the most inner edge was worn to the belt. I only had less than 20K miles on the tires. The car is bone stock, not lowered. I know that the tirewear is due to rear passenger load that makes the rear suspension camber out.

Is anyone experiencing the same issue? What solutions do you have for me? Will the camber kit work on a stock height car, meaning, will it prevent the suspension from cambering out if there is rear passenger load?

thanks for your help.

K-Mac

Fact is “Full front and rear wheel alignment” is no more!


Since the mid ‘90 model’s, with the ever increasing speed of vehicle assembly lines there has been no front or rear Camber (or front Caster) adjustment facility fitted OEM


Only current adjustment is front and rear Toe!

To attempt to return vehicle to factory specs to resolve costly premature inner edge tire wear, improve traction, and fix steering pull the only current alternative for Camber and Caster is to fit offset, slotted bolts (for the front only). But these are inaccurate - one only position bolts - offering a minimal .3 of one degree adjustment (3mm / 1/8”).

It’s no wonder many owners continually change tire brands or go from one MB Dealer or alignment shop to another trying to get it right/fix the problem!


We saw the need therefore "to fix it right the first time" by designing, developing, patenting (and re-instating from the 1990's) fully adjustable front (and rear) suspension for virtually all models.

The current K-MAC kits have up to 4 times the adjustment of these one only position offset bolts (both Positive or Negative). And unlike these one position bolts they can be accurately adjusted on car(under load) direct on alignment turntable (no need for labor intensive removal/replacement each time).


Ongoing, precise adjustment of both Camber and Caster settings if altering suspension height, fitting wide profile tires/wheels, curb knock damage or being able to quickly fine tune/change specs on race days (extra Negative/plus track width to go deeper into the corners/lower lap times). With the unique K-MAC patented design only requiring use of a single wrench/no disassembly.

For the rear, similar kits for precise Camber adjustment (with additional Toe to compensate for the new Camber facility). Importantly unlike the alternative rear adjustable Camber control arms available K-MAC kits do not move top of tire outwards - this reducing essential clearance top of tire to outer fender when adjusting to fix premature inner edge tire wear/improve rear traction.


Also instead of spherical bearings as used on control arms which prematurely pound out allowing metal to metal contact. At K-MAC we have developed long life elastomer bushings.


Bonus with the four front and four rear bushes is that they are also designed with twice the load bearing area and replace the highest wearing suspension bushings. And with K-MAC no special tools are required to fit.


Note (Product background re bushings): Majority OEM bushes have air voids to allow 2 axis movement. So control arms can travel through their required arcs without binding, locking up.


Essential with today’s modern designs of “multi-link” arms with different angle mount points!


Yet most “aftermarket” replacement bushes the industry standard is to eliminate these air voids in an attempt to improve both steering response and reduce wheel hop, loss of traction under brake and acceleration.


The opposite is often the case – the elimination of the air voids causes even more severe wheel hop, loss of traction through binding, locking up of arms.


K-MAC bushes – with 50 years now of bush technology are designed without the air voids but where needed with “full 2 axis movement”. Result is power to the ground – maximum traction/acceleration/braking - along with noticeably improved directional control and steering response for highway driving, lane changing.