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The issue with the QM how heavy that gear drive hub is, and how it wears on the input shaft. Im willing to bet if yoi daily drive it, and remove the trans you're going to see extensive wear marks on the input splines and on the inside of the gear drive hub
That's correct, it is my second QM clutch. First was in for around 20k miles daily driving, racing, launching at 720whp. and during disassembly I notice wear on clutch hub. The good thing is that it is not wearing input shaft splines because material on input shaft is a lot harder then on clutch hub, so replacing clutch discs every 20k miles is not bad at all. It is a trade for perfect shifts every time at any rpm I want. There is always cons and pros.
That's correct, it is my second QM clutch. First was in for around 20k miles daily driving, racing, launching at 720whp. and during disassembly I notice wear on clutch hub. The good thing is that it is not wearing input shaft splines because material on input shaft is a lot harder then on clutch hub, so replacing clutch discs every 20k miles is not bad at all. It is a trade for perfect shifts every time at any rpm I want. There is always cons and pros.
I have a few different input shafts with significant wear marks on them from the QM gear drive discs
I have a few different input shafts with significant wear marks on them from the QM gear drive discs
Weird, that's never happened to me or customer's cars that I was working on. In my area QM clutch is very common almost in every evo and I have never seen input shaft damaged but always clutch hub. Hub material is pretty soft and almost every time I have seen wear on clutch itself only. Within last 10 years I had 1 damaged splines on input shaft but the guy did not know how to launch it, and it was on Exedy triple so I would say it is pretty rare, but everything possible. I am pretty happy with QM, it takes all the power, there is no other clutch on the market that can shift like a butter in any rpm's like QM. The noise is horrible and the clutch pedal is stiff tha't why I was interested to switch to ACT twin but after reading all those negative post's I will stay with QM for now.
So I made a post on the Australian evo page. They pretty much said the xclutch is junk. Bad rep there. Said about anything is better.
so back to thinking of trying the act unsprung ceramic hmm
So I made a post on the Australian evo page. They pretty much said the xclutch is junk. Bad rep there. Said about anything is better.
so back to thinking of trying the act unsprung ceramic hmm
So I made a post on the Australian evo page. They pretty much said the xclutch is junk. Bad rep there. Said about anything is better.
so back to thinking of trying the act unsprung ceramic hmm
I joined an Australian evo Facebook page. Had 1 positive review. And many said very harsh and heavy engagement. Many say buy exedy over it. Said there are better options and there’s a reason they are priced like they are. So 🤷♂️
I joined an Australian evo Facebook page. Had 1 positive review. And many said very harsh and heavy engagement. Many say buy exedy over it. Said there are better options and there’s a reason they are priced like they are. So 🤷♂️
I assuming they are referring to the multi plate clutches? They offer a wide range of clutches so I was just seeing if it was in reference to a particular model or all of them.
I assuming they are referring to the multi plate clutches? They offer a wide range of clutches so I was just seeing if it was in reference to a particular model or all of them.
I guess time will tell with mine.
the one positive I saw someone said they were just rebranding the carbonetics as their carbon twin but I cannot confirm that. I planned to buy a clutch at some point since my cars been down like 2-3 years but seems so hard anymore. My qm made it 18k and that’s terrible and drove terrible lol. Shifted good though.
STM *might* have the ceramic discs in stock and be able to overnight them to you
They probably do problem is I leave for the shootout in about 2 hours. The place my car is at I was trying to find some locally and if they can swap it out by today my tuner is going to drive the car out to me because he's headed out tomorrow to shoot out.
