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Triple Disc Clutch

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Yamahaulin

10+ Year Contributor
695
12
Jan 30, 2010
Bowling Green, Kentucky
Anyone have any experience with the competiton clutch triple or the magnus triple. I'm not the happiest with my quatermaster twin and I'm contemplating a change.
 
the magnus has the heaviest flywheel, so that helps street driving apprently, but otherwise the exedy, comp, and magnus all use the same pressure plate,
And disks, with the exception of flywheel. I think the magnus is outrageously expensive, for the fact that comp is half the price and the flywheel is the only difference, is magnus's flywheel worth the extra thousand? Up for you to decide
 
Comp uses quartermaster style parts. I think all the heavier flywheel is going to do is break more shit. I actually talked to the Steve fox about this and he seems to think that te best way to launch the car is to dump the clutch and let the inertia do the work.....
 
Look up marcos tripple disk video on youtube he will give his argument ehy his is the best, but in the end like i said with the exception of the flywheel, all the tripple disks use exedy parts. Which are cheap.

I personally think that if you dont absolutely need it, a tripple disk will destroy more shit if you f*** a shift than a single and probably still more than a twin. It's a lot of grip, it's a 900tq clutch and in that case i think an overkill clutch kills parts. Use the right clutch for your power capabilities. And if you upgrade power modders, upgrade clutch again you will break less.
 
http://www.dsmtuners.com/threads/competition-clutch-triple-disk-at-extreme-psi.475697/ Doesn't look like excedy parts to me. Looks like QM/PTT... Also there is nothing cheap about excedy parts. Marco runs his mouth about how you can't slip a normal twin disc without burning it up. Well, thats a lie. The exedy tripple is 205mm, and a qm/ptt/comp is 184mm. It's just a touch bigger, but now the rubbing speeds are much higher. Also the thickness of the floaters/discs are thinner so they have less heat capacity per disc than a normal twin...
 
Many of the things mentioned in this thread are why you see a lot of high horsepower builds with automatic transmissions these days. Regardless of the parts used; when you take much of the human aspect out of launching the car, $hit tends to hold up better.
 
http://www.dsmtuners.com/threads/competition-clutch-triple-disk-at-extreme-psi.475697/ Doesn't look like excedy parts to me. Looks like QM/PTT... Also there is nothing cheap about excedy parts. Marco runs his mouth about how you can't slip a normal twin disc without burning it up. Well, thats a lie. The exedy tripple is 205mm, and a qm/ptt/comp is 184mm. It's just a touch bigger, but now the rubbing speeds are much higher. Also the thickness of the floaters/discs are thinner so they have less heat capacity per disc than a normal twin...
They all say exedy on the pressure plate, and they all use exedy plates, marco says he uses exedy plates and on the pix you see it on the PP. exedy makes the majority of clutch parts as far as i know. Maybe they arent cheaper, but the comp is 1400 vs the magnus and exedy at 2100-2200, i said the parts were cheap, not necessairly the whole kit.

Edit: the research i saw was last year, comp may now be making their own pressure plate OR is rebranding them now, the pictures i saw last year said exedy on the PP but black, just like marco's in the pic below
 

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Yeah, that's the magnus one, it uses exedy parts. the comp always has been a qm/ptt (V-Drive) style cover and floaters.

Have you ever priced out excedy parts to rebuild a clutch? It's not cheap. Granted a set of gear drive gm discs isn't cheap either. A set of PTT or QM regular discs are much much cheaper.
 
I havnt looked at the ptt qm, but i saw STM sell replacement disks and PP for the cost of an ACT Single disk LOL

If i was to choose, the cheap ass in me says comp, but i havnt heard any reviews, you just can't beat the price at 7-800cheaper if a tripple is what you are lookin for
 
I have the metalic discs for the qm twin so yes the launch is aggressive. But really this is one of the noisiest clutches i've ever heard before and not the chatter when you engage. I'm talking if the car is idling and you press the clutch is sounds like washers rattling on a piece of all thread that's attached to the block with all it's vibration. My thing with the triple you could not use the metallic discs and along with the heavier flywheel it would make street driving much better. Also isn't the magnus a larger diameter as well? That would make lots more clamping surface as well so an organic disc would hold more power I would think. I hope to get the car dialed in soon to see if I am gonna get my 700 awhp mark i've been shooting for. I feel like i'm very very close to 500awhp on 93 so i'm trying to get swapped to sd so i can start on my e-85 tune.
 
Any multi disc you get is going to be noisy. It's the floaters rattling on the stands, at idle. It's also going to be noisy driving because of the solid hub disc, and the light weight.

I don't think you can get organic discs with the tripple. either way it's still going to have floater rattle. Maybe a little less, but it will still have it.
 
Yeah after further investigation I can't get any organic or kevlar discs with the triple. I understand whats causing the rattle but it is significantly worse than the twin disc my buddy has in his evo 8, i only was thinking triple if i could get organic disc that way daily driving would be like stock almost but have much more clamping power than a single. I drive the car daily with some drag racing and now that we have a road course locally i may do a bit of that but neither in competition just having fun. The car is a 2.4l, 10:1, gsc 280 cams, ported 1g head that i turn very occasionally to 9000 rpm. What's the difference in the material used for the street disc vs the race disc on the qm?
 
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