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KMAC Camber Plate Failure

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Old 07-17-2023, 06:27 PM
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2012 Mercedes C63 AMG
KMAC Camber Plate Failure

Hi W204 C63 AMG Community,

I have KW v3 coilovers and purchased and installed this set of KMAC camber plates in February (https://k-mac-camber-kits.com/.../mercedes-w204-x204.../) I ran over an open fissure in the road yesterday at 30 mph and it completely destroyed the passenger side front top mount bushing (pictured). While I know any coilover/camber plate setup is not made to handle fissures in the road, I was surprised at how fragile the KMAC camber plate design is (and is a waste of $600 plus cost of install and alignment in less than 5 months).

Coming from the BMW community, I know there are many camber plate options (Vorshlag, Ground Control, Turner, etc.), but what do you W204 C63 AMG owners with coilovers and lowered suspension use for reliable camber plates?

Thank you in advance for your insights.


Old 07-18-2023, 03:51 AM
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Have you contacted KMAC to voice the problem to them?
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Old 07-18-2023, 03:53 AM
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Originally Posted by DRBC43AMG
Have you contacted KMAC to voice the problem to them?
Yes I have and I am awaiting a reply from them. When/if I receive a reply I’ll update here. Thanks!
Old 07-18-2023, 06:16 AM
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Is Fissure a fancy word for POT HOLE or crack or expansion up lift speed bump?

DId your wheel and/or tire get damaged?
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Old 07-18-2023, 07:33 AM
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Depends on the size of the “fissure” - These STAGE 2 (STREET / RACE) W204 front upper strut mounts both Camber and Caster adjustable in production now 6 years. So well and truly proven for competition or day to day long term commuting.

Advise address and will air express replacement. Also return satchel so can check out !

Background is unlike other brands instead of solid centers with no flex to absorb impact loads the K-MAC Stage 2 centers are encased in elastomer !

The universal design “solid centers” / no flex that have been around for decades are our STAGE 3 Full Race kits.

Do point out not only offering ‘2’ versions but also unique - manufacturing using “very highest aircraft 7075 grade aluminum” / not soft billet alloy. With patented design breakthrough providing the “quickest” and “biggest” adjustment system.

STAGE 2 (503016-2) we find rally drivers choose stating doubles the lifetime over the ridged STAGE 3 kits.

Kevin
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Old 07-18-2023, 07:49 AM
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Originally Posted by K-Mac
Depends on the size of the “fissure” - These STAGE 2 (STREET / RACE) W204 front upper strut mounts both Camber and Caster adjustable in production now 6 years. So well and truly proven for competition or day to day long term commuting.

Advise address and will air express replacement. Also return satchel so can check out !

Background is unlike other brands instead of solid centers with no flex to absorb impact loads the K-MAC Stage 2 centers are encased in elastomer !

The universal design “solid centers” / no flex that have been around for decades are our STAGE 3 Full Race kits.

Do point out not only offering ‘2’ versions but also unique - manufacturing using “very highest aircraft 7075 grade aluminum” / not soft billet alloy. With patented design breakthrough providing the “quickest” and “biggest” adjustment system.

STAGE 2 (503016-2) we find rally drivers choose stating doubles the lifetime over the ridged STAGE 3 kits.

Kevin
Just a stupid question.
What's the point of using "very high aircraft 7075 grade aluminum" if that is not the weakest link in that camber plate assembly? Or would it be the weakest link if made out of a softer aluminum?
Old 07-18-2023, 08:45 AM
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Originally Posted by sventastic82
Just a stupid question.
What's the point of using "very high aircraft 7075 grade aluminum" if that is not the weakest link in that camber plate assembly? Or would it be the weakest link if made out of a softer aluminum?
As picture clearly shows and we point out it is not the highest 7075 grade aluminum mount but the "elastomer" center!
Old 07-18-2023, 08:48 AM
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Originally Posted by K-Mac
As picture clearly shows and we point out it is not the highest 7075 grade aluminum mount but the "elastomer" center!
read it again.
What's the point of using "very high aircraft 7075 grade aluminum" if that is not the weakest link in that camber plate assembly?
Old 07-18-2023, 04:15 PM
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he already mentioned they offer a Stage 3 that has no elastomer. not sure why you're arguing as they're sending the customer a replacement.
Old 07-18-2023, 04:29 PM
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Originally Posted by eightysixtuned
he already mentioned they offer a Stage 3 that has no elastomer. not sure why you're arguing as they're sending the customer a replacement.
read it again
What's the point of using "very high aircraft 7075 grade aluminum" if that is not the weakest link in that camber plate assembly?

I'm not arguing I'm just asking a simple question.
Old 07-18-2023, 05:23 PM
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Kevin is a good dude. Great service.

I used his race camber plates for years with no problems at all. Just looks unlucky.
Old 07-18-2023, 05:36 PM
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Originally Posted by ygmn
Is Fissure a fancy word for POT HOLE or crack or expansion up lift speed bump?

Yes and it was a raised pothole.

DId your wheel and/or tire get damaged?
No. Wheel and tire are not damaged.
Old 07-18-2023, 07:21 PM
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Originally Posted by sventastic82
read it again
What's the point of using "very high aircraft 7075 grade aluminum" if that is not the weakest link in that camber plate assembly?

I'm not arguing I'm just asking a simple question.
read what again. you're asking a stupid question. why would they use a softer metal to make the part inferior.
Old 07-19-2023, 01:47 PM
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Originally Posted by eightysixtuned
read what again. you're asking a stupid question. why would they use a softer metal to make the part inferior.
To offer it at a lower price, It wouldn't be inferior if the erlastomer is that what fails.
It's ok, you don't have to answer if you don't know the answer. Unless you feel that you are an expert in that field as well.
Old 07-20-2023, 05:18 PM
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Originally Posted by sventastic82
To offer it at a lower price, It wouldn't be inferior if the erlastomer is that what fails.
It's ok, you don't have to answer if you don't know the answer. Unless you feel that you are an expert in that field as well.
my guess is they are trying to upgrade the life/durability of the part failing. You don't cheapen or weaken other parts to also fail in conjunction with a part that fails to save some money you move onto the next failure point and try improving it.
Old 07-21-2023, 01:23 AM
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Originally Posted by BLKROKT
Kevin is a good dude. Great service.

I used his race camber plates for years with no problems at all. Just looks unlucky.
Kevin’s attention to customer service and satisfaction is great. I am very pleased with the customer service at KMAC and I hope the elastomere bushing holds up this time as I will try and drive more carefully.

Did you use the race camber plates on the street? Are those plates the stage 3 plates that are offered by KMAC?

If so, did they make noise (can be expected with metal on metal), were you using coilovers, how low was your C63 from stock and what effective camber were you able to achieve after alignment using the stage 3 plates?

thanks in advance for your insights.
Old 07-21-2023, 01:25 AM
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Originally Posted by K-Mac
Depends on the size of the “fissure” - These STAGE 2 (STREET / RACE) W204 front upper strut mounts both Camber and Caster adjustable in production now 6 years. So well and truly proven for competition or day to day long term commuting.

Advise address and will air express replacement. Also return satchel so can check out !

Background is unlike other brands instead of solid centers with no flex to absorb impact loads the K-MAC Stage 2 centers are encased in elastomer !

The universal design “solid centers” / no flex that have been around for decades are our STAGE 3 Full Race kits.

Do point out not only offering ‘2’ versions but also unique - manufacturing using “very highest aircraft 7075 grade aluminum” / not soft billet alloy. With patented design breakthrough providing the “quickest” and “biggest” adjustment system.

STAGE 2 (503016-2) we find rally drivers choose stating doubles the lifetime over the ridged STAGE 3 kits.

Kevin
thanks for your attention to detail and customer service Kevin! I appreciate you. I will try and drive more carefully on these stage 2 camber plates this time. Thank you again.
Old 07-21-2023, 07:31 AM
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Originally Posted by A///MG_Power
Kevin’s attention to customer service and satisfaction is great. I am very pleased with the customer service at KMAC and I hope the elastomere bushing holds up this time as I will try and drive more carefully.

Did you use the race camber plates on the street? Are those plates the stage 3 plates that are offered by KMAC?

If so, did they make noise (can be expected with metal on metal), were you using coilovers, how low was your C63 from stock and what effective camber were you able to achieve after alignment using the stage 3 plates?

thanks in advance for your insights.
I totally agree about Kevin he was great with my rear adjustable camber arms to pair with the Renntech adjustable toe arms.

I have KW Clubsports which have solid spherical bearing top mounts and you don’t notice any noise on them. It is a little harsher though with them being solid if that bothers you.

Mine is pretty low running 255/35 front & 275/30 rear. If your on Instagram you can check it out there (@phil_t) to see how low.
Old 07-23-2023, 06:34 AM
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To keep up with constant upgrades and new releases for all W204, C207 (including C63 AMG & Black Series) have attached latest copy of current “TOTAL SYSTEM”. Covering both front and rear suspension !

Kevin

SEE SPOILER

Spoiler
 

Last edited by K-Mac; 07-23-2023 at 10:12 PM.
Old 07-28-2023, 08:40 AM
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This tool just copied and pasted this post and dropped it on Facebook. After given an explanation and solution a week ago.
LIke I posted there, just save us the bull**** and go back to BMW. Please.
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