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2G Clutch Selection

Posted by Mham2k, Sep 23, 2019

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  1. Mham2k

    Mham2k Proven Member

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    Dallas, Texas
    I just purchased some eagle rods, je pistons, and a 6 bolt block to upgrade my 2g.

    I will stick with my 20g for now but want to upgrade later to something that will get 600 or 700 hp.

    What clutch would be good for a weekend warrior? I drive the car very hard twice a week now.

    I think I need something that can handle 500-600tq, tranny is not built so don't want something that is to rough on my drive train.

    Thoughts?

    Sprung 6 puck?
    Twin Disk?
    Street disk with heavy pressure plate?
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  2. Canadian_CD9A

    Canadian_CD9A Proven Member

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    I would honestly go with something mild until you're ready to put down that 600-700. There aren't many clutches that will hold the torque you want, and most of them are pretty rough on the transmission.
     
  3. Mham2k

    Mham2k Proven Member

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    Dallas, Texas
    I don't want to buy and install clutches twice, I would rather build it so that I can drop the new manifold, turbo, and injectors in when i figure out which i want.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  4. Mello

    Mello Proven Member

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    You should talk with TMZ Performance (@twicks69) for recommendations.
     
    Casem13, TSiAWD666 and chinola69 like this.
  5. Mham2k

    Mham2k Proven Member

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    Dallas, Texas
    OK, looks like South Bend has some good stuff. They claim streetability at 550 or 600tq.

    Has anyone used those?
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  6. Mello

    Mello Proven Member

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    Albuquerque, New Mexico
    I'm running a SB clutch on my DD now but not at the power levels you're aiming for. Best clutch I've ever used BTW. Talk with Tim on the torque capacities of the different combinations so he can help you with the best option(s).
     
  7. tk106

    tk106 Supporting Member

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    Cincinnati, Ohio
    I had a 6 puck in my 2g that made 380ish tq and 407awhp. Ended up blowing up the trans after first time to drag strip with the clutch. It’s super aggressive and it’s a pia to drive imo. Went with a act 2900 and I did like that set up. Not sure what the 2900 can handle.
     

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    2000 Jeep Cherokee Sport - Classic
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    1992 Eagle Talon TSi AWD
    12.625 @ 111.42 · 1G DSM
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  8. 95_gsx_2g

    95_gsx_2g Supporting VIP

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    Joined Apr 26, 2010
    washington, Pennsylvania

    I really like the act 2900 with a sprung 6 puck, extended slave cylinder rod and braided hardline! I used to have the 2100 and street disks. I did go through one 6 puck already a bit earlier then expected. But I believe it was due to improper adjustment and break in. It now has the new disk with extended slave rod and I love it! I hear good things bout southbend too but I prefer act. I don't think you would need a twin disk for a weekend warrior but maybe some others can chime in. I hear they are a real pain on the street but never tried one out!
     

    Street Build 4K  21

    1995 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  9. BLACK'98DSM

    BLACK'98DSM Proven Member

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    Indeed they do. Looks like a few guys down at Lassiter Mountain use them.
     

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  10. silvreclips

    silvreclips Proven Member

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    I don't know how many times I have to say this. DO NOT EVER use an extended slave rod.. period.. you can not change the travel distance of your slave by putting a longer rod in it. What you are doing is bottoming out the slave piston in the bore and the extra length is already starting to push on the cover. You are preloading the release bearing and also lowering the clamping force of the cover.
     

    Autocross Build 189  1

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  11. Mham2k

    Mham2k Proven Member

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    Thanks sounds like it will be a South bend, they seem to be the only company that can hold power without a puck or twin disc.

    I have heard that driving on a puck is terrible.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  12. bastarddsm

    bastarddsm Proven Member

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    If you want to make 700hp and use it, you will have the trans out several times a year. Put a clutch in that matches your current goals.
     

    Showcar Build 5K  1

    1991 Eagle Talon N/T
    9.805 @ 144.00 · 1G DSM
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  13. 95_gsx_2g

    95_gsx_2g Supporting VIP

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    To each there own. My clutch feels alot better and didn't smell during breaking in like my old disk did. Extreme psi says it's a must with aftermarket clutches. Until I have a problem I will stick with my set up.
     

    Street Build 4K  21

    1995 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  14. Mham2k

    Mham2k Proven Member

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    Dallas, Texas
    I won't be using all of the power all of the time so it should be fine, if I have to drop the trans once or twice a year it will give me the opportunity to figure out what should be upgraded while i'm there.

    My current goals are 600 - 700 hp so i'm going to get a clutch to match.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  15. Canadian_CD9A

    Canadian_CD9A Proven Member

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    That's not how it works. An unsprung, grabby clutch will take its toll on the driveline at low power or high power. It engages harshly when starting off in traffic, every time you slip or dump the clutch it will create those shocks. Those shocks ruin synchros and other internals.
     
    BLACK'98DSM likes this.
  16. Mham2k

    Mham2k Proven Member

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    Gotcha, even with a street clutch? I don't want anything unsprung or a puck.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  17. Canadian_CD9A

    Canadian_CD9A Proven Member

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    Winnipeg, MB, Canada
    A clutch that will hold 500-600 wtq will likely be ceramic, which isn't as friendly as organic discs for engagement, but it's going to be friendlier than the unsprung twins. I'd defer to TMZ's knowledge on this, but you would be fine with the top-rated South Bend all around. Maybe not the *best* experience on the street, but definitely liveable.
     
  18. Mham2k

    Mham2k Proven Member

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    Basically if I sum up what y'all are saying, when I get to that horsepower range if I don't upgrade my trans and drivetrain I will have issues all the time.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  19. Canadian_CD9A

    Canadian_CD9A Proven Member

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    Abuse is just as bad as high power - you could nuke a driveline at stock power if you're reckless enough. Doing aggressive 500+ tq launches on street tires will eventually trash a transfer case, and the DSM transmission is not a fan of torque at all. Drag racing, harsh shifts and aggressive clutch dumps will eventually break a well-built DSM transmission too, but I would bet that you would obliterate a stock 2g transmission within your first 20 highway pulls at that power. The 3/4 will fail first, since the 2g has notoriously weak parts there. Added heat from long, or back-to-back pulls just amplifies the weakness.
     
    Last edited: Sep 23, 2019
  20. Mham2k

    Mham2k Proven Member

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    Dallas, Texas
    Got it, so once I break a trans doing highway pulls I will upgrade it. Don't want a dogbox and Evo gears are hard to find so will figure out what to do then.

    Will talk to TMZ and listen to the dudes that have given me great advice on this post. This is good stuff.
     

    Street Build 356  1

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM
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  21. EVLGSX

    EVLGSX Proven Member

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    ACT 2600 pressure plate with Southbend kevlar disc here.

    A bit over 400hp through it every day and zero complaints.
     

    Street Build 2K  15

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  22. 1990TSIAWDTALON

    1990TSIAWDTALON Moderator

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    Was on a SBC but it let go after 505 torque. Southbends are very friendly on the street with a stockish pedal feel. I was running it in my 614/505tq car and just found the point it wouldn't hold.
    Follow Tims recommendations. I would do a SBC again but get their highest rated pressure plate and still use a full face kevlar/ceramic disk.
     

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    1992 Eagle Talon TSi AWD
    awd · automatic · 1G DSM

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    fwd · manual · 2G DSM

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  23. twicks69

    twicks69 Supporting Vendor

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    Milwaukee, Wisconsin
    I have sold close to 1000 SBC clutches for DSM's over the last 10 years.

    The best one for your application of power levels would be the SSX pressure plate with B-Series full face sprung hub ceramic disk. I would pair this with a Competition Clutch chromoly steel flywheel. No media blasting of the friction surface. OEM TOB, TOB clip, OEM flywheel bolts (22.5mm for 6 bolt, 21.2mm for 7 bolt applications). Check your clutch fork and pivot ball at the same time. If they need replacement, then i would simply suggest the Competition Clutch forged clutch fork which comes with a new pivot ball.
     

    Drag Race Build 7K  12  76

    1999 Mitsubishi Eclipse GSX
    9.499 @ 155.00 · 2G DSM
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  24. We're on Boost

    We're on Boost Proven Member

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    Here's a purdy picture of a full face sprung hub ceramic disk that Tim just had made for my car.
    Ceramic on both sides.
    This was a custom though, because it has a 1” x 23 spline hub for the PPG gearset input shaft.
    From time of order, South Bend got this out the door in about 2 days, to UPS. Pretty fast for a custom.

    TMZ South Bend DSM ceramic clutch disc 1 x 23 hub.JPG
     

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  25. twicks69

    twicks69 Supporting Vendor

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    Gary, it will take a couple hundred miles to break in of street driving because you are reusing your pressure plate, just clean up the surfaces of the pressure plate and flywheel and make sure they are flat. You will have a very fun car!

    Good luck!!

    TMZ
     

    Drag Race Build 7K  12  76

    1999 Mitsubishi Eclipse GSX
    9.499 @ 155.00 · 2G DSM
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