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Pull vs Push type

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Old May 3, 2004 | 07:43 PM
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Pull vs Push type

I was wondering if someone could give me pros and cons here I am lookin to get another clutch and I only have to pay half. Being as my sponsor is goin to pick up half the tab I think I am going with the ATS twin. and in my readings on the clutch I noticed that it converts from pull to push, so I wanted to know the advantages of this... also anyone know how much a rebuild on that clutch would be???

-non
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Old May 4, 2004 | 11:46 AM
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nobody has any info???
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Old May 4, 2004 | 12:10 PM
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From: ...
for starters

All but one (HKS I think) of the pull type clutches have a spring clip design that the fork pulls against in order to disengage the clutch. The OEM clip (also used in the Cusco and Exedy / derivatives) can become fatigued and break possibly causing lots and lots of clutch damage. Think floating metal pieces in a high rpm system. . Search for Rollaway and read his experience with the pull-type mechanism.

Push type clutches eliminate this problem...but...for the most part, the grand majority of aftermarket clutches still use the pull type mechanism, with the HKS actually redesigned the pull part to make it a lot stronger. Ogura(I think) (and some others) actually covert over the fork to a push type. I personally think the aftermarket designs are pretty good from all of the companies.

FYI pull-type clutches seem to have a different, and supposedly better engagement characteristic, which is why the EVO possibly got this design.

FWIW I think Mitsu. made one to many engineering concessions in building the clutch. Weaker clutch plus clutch line pill plus AWD plus not a torquey motor = toasted clutches for a few people. Personally I think the immediate solution Mitsu. 'could' have done with the issue was build a better pad material that could withstand a bit more heat because of a bit more slip on startup.

ok...i'm rambling on.

Thanks,

jcnel.
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Old May 4, 2004 | 02:49 PM
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From: chicagoland
Originally Posted by nonmature
I was wondering if someone could give me pros and cons here I am lookin to get another clutch and I only have to pay half. Being as my sponsor is goin to pick up half the tab I think I am going with the ATS twin. and in my readings on the clutch I noticed that it converts from pull to push, so I wanted to know the advantages of this... also anyone know how much a rebuild on that clutch would be???

-non
if you got a "sponsor" get hks gd max
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Old May 4, 2004 | 09:44 PM
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well I think that the ATS setups particularly the triple plate is probably regarded by many as one of the best clutches out there period... I feel that unless I get a hell of a deal on the Cusco that I will go with the ATS especially since I only have to pay for half... it just makes it more appealing

-non

any complaints with either the Cusco or the ATS units
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Old May 4, 2004 | 09:51 PM
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I know en1gma19 will like this forum
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Old May 4, 2004 | 10:44 PM
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I run the Ogura clutch, and it has a new mechanism that changes the stock pull type to a push type. This clutch pedal feels a little funny. Stiffer than stock, but nothing crazy. Doesn't feel as crisp as say, a stock S2000 clutch pedal (I say S2000 because I ran one and my Evo, back to back, and the pedal feel was way different). As of right now, I'm not having any problems with this clutch. I've had the HKS GD Max, and the center disc brok apart. Weak rivet/springs. If you are gonna be doing a lot of drag racing, stay away from that. It's good for daily driving/road racing.

From what I hear, the ATS clutch is pretty bad ***.
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Old May 4, 2004 | 10:50 PM
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Originally Posted by Incognito

From what I hear, the ATS clutch is pretty bad ***.
exactly I have not heard a bad thing about them... We will see what this clutch can stand... can it stand me??? hahaha I do do a good amount of drag racing as well as road racing ... so I think that both of these are soliid choices for my future power goals... which include an AMS gt35R kit and a boost solutions valvetrain and race port

-non
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Old May 5, 2004 | 01:12 PM
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If you have the $$$$$ go for the push type. If any of you guys buy the cusco or exedy that runs around $1300-$1500 and then once it is installed the clip came off you have to take down the tranny and pay your machanic another $350-450 in labor plus you will have the doubt if the clip will pop out again. That is why I bought the ATS clutch and for now no problem, it works great!!!
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Old May 5, 2004 | 03:15 PM
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cool which one did you get the twin or triple???

-non
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Old May 6, 2004 | 07:27 AM
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ATS twin carbon plate, from BOOST SOLUTION, these people(Andy and George) are great. They help you with everything you need, always are available and willing to help.
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Old May 6, 2004 | 07:48 AM
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did i hear my name.....

pull type is more durable for high rpm launches so if you drag race, this is the clutch for you. it withstands more heat than any other clutch within it's price range. I've read the RPS clutches are nice too, but if anyone wants to shell out 3800 for a clutch, you need your head examined. ATS will hold pretty much all the power you can make from the evo. That is what I'm saving for, despite several friends attempts to sway me into a cheaper alternative *cough cough fevo7 cough cough*
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Old May 6, 2004 | 09:58 AM
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Hey, i'm just say i had stage 2 in my gsr-fully built and sprayin. Never had a problem. So *cough cough* don't need to spend an arm and leg and ***** for a clutch. Just don't forget to upgrade the flywheel whatever you choose. Dumb move not too since you're already in there. And you'll reach higher rpms quicker by increasing mechanical efficiency.
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Old May 6, 2004 | 10:41 PM
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well both the ATS and the Cusco come with ther flywheels already right so that really isnt an issue

-non
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