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Thread: nth Moto Clutch

  1. #1
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    nth Moto Clutch

    I'm planning to get some work done on my ACR. I've read quite a few accolades for the nth Moto clutch on this site and will probably get it installed. I did drive my friend's 9 liter with the clutch and thought it grabbed quite high and was a bit touchy. I'm not sure my wife would like it. It reminded me of my old 2003 Aston Martin DB7 GT. I'm curious how people would compare the feel of the nth Moto clutch to the OEM unit. Do you find it easy to modulate and drive? Please let me know how you think it mates to the 9 liter upgrade.

    I know Prefix, Woodhouse, and others all use it and recommend it. I've also seen the videos as well on a Viper driving into a trailer with the clutch and it looks fine but I just want some actual user feedback.

    And I have tried the search function which I find to be completely useless. I think we should stop telling people to use it when they ask a question that has been asked at some point in the past. I get hundreds of hits most of which have absolutely nothing to do with the clutch. It is in fact far easier just to ask the question again.

    Thanks.
    2017 ACR/TA in 2014 TA Header Orange, #4 of 10.
    2008 Vert in Viper Bright Blue with silver stripes.
    2014 GTS in white with gunmetal stripes. I'm also one of the original 100's

  2. #2
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    Quote Originally Posted by ViperGeorge View Post
    I'm planning to get some work done on my ACR. I've read quite a few accolades for the nth Moto clutch on this site and will probably get it installed. I did drive my friend's 9 liter with the clutch and thought it grabbed quite high and was a bit touchy. I'm not sure my wife would like it. It reminded me of my old 2003 Aston Martin DB7 GT. I'm curious how people would compare the feel of the nth Moto clutch to the OEM unit. Do you find it easy to modulate and drive? Please let me know how you think it mates to the 9 liter upgrade.

    I know Prefix, Woodhouse, and others all use it and recommend it. I've also seen the videos as well on a Viper driving into a trailer with the clutch and it looks fine but I just want some actual user feedback.

    And I have tried the search function which I find to be completely useless. I think we should stop telling people to use it when they ask a question that has been asked at some point in the past. I get hundreds of hits most of which have absolutely nothing to do with the clutch. It is in fact far easier just to ask the question again.

    Thanks.
    I love mine. It did feel a little different the first time I drove it, then never noticed it again, even going back and forth on the track with that car and my stock ACR
    2013 caged 803whp 9.0 liter, 2016 ACR, 1996 GTS, 2001 RT/10, 2003 SRT/10, 2018 McLaren 720s, 2020 G63, 2005 Ford GT, 2019 Megacab Dually

  3. #3
    Enthusiast Space Truckin's Avatar
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    Fwiw
    Not a track rat here, hiway prey hunter. I had the Nth clutch installed w 9.0 from Woodhouse , love the feel and engagement. No problems here, but installation is CRITICAL.
    Steve 1 of the #100's
    16 ACR E/ 1 of 1 "Bad MF'r" - Billet Silver/ Black & Red w CF int./ ext.
    9.0L/ HC Wow, ARH Headers, Arrow PCM, VE Tractive Suspension

  4. #4
    Love mine as well and it grabs right where the factory pedal did. Hate to say it, but if you search my name you will find a thread where I reviewed it. Search under the terms of exact name and
    2014 Viper TA - AR headers/exhaust, Arrow ECU - 11.16@132.87mph, 1.95 60'
    08 ISF - headers/exhaust/tune - 12.06@118.81mph, 1.89 60'

  5. #5
    We install nth moto clutches only. Our Street/track GT3R viper builds get one, Daily driven vipers, 800hp+ track/street vipers. Nth moto clutches are easy to drive clutch feel is perfect. They also survive repeated track abuse with zero problems. We just installed another Nth moto clutch on a true daily driven viper and the customer loves it. Make sure you have an experienced mechanic do the install. If you go nth moto clutch its money well spent George.

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    nth Moto Clutch

    Duplicate post deleted.
    Last edited by ViperGeorge; 4 Weeks Ago at 06:45 PM. Reason: edit duplicate thread
    2017 ACR/TA in 2014 TA Header Orange, #4 of 10.
    2008 Vert in Viper Bright Blue with silver stripes.
    2014 GTS in white with gunmetal stripes. I'm also one of the original 100's

  7. #7
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    Thanks everyone. Is it possible my friend's clutch needs some kind of adjustment?
    2017 ACR/TA in 2014 TA Header Orange, #4 of 10.
    2008 Vert in Viper Bright Blue with silver stripes.
    2014 GTS in white with gunmetal stripes. I'm also one of the original 100's

  8. #8
    Now im curious what's so special about the installation of the nTh Moto clutch that's different from any other clutch?

  9. #9
    Enthusiast Steve M's Avatar
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    Quote Originally Posted by SRT_BluByU View Post
    Now im curious what's so special about the installation of the nTh Moto clutch that's different from any other clutch?
    The details matter...if you don't get the input shaft completely deburred properly, you'll end up with engagement issues.

    I did a detailed write-up of the Nth Moto Clutch on my Gen 4, including detailed install instructions, here:

    https://driveviper.com/forums/thread...o-Gen-4-Clutch

    Yes, a clutch install isn't rocket science, but it pays to take your time on this particular one. Mine operates more smoothly than stock, with slightly more pedal pressure. Engagement is about the same when it comes to pedal travel. If there are issues, I'd suspect the input shaft - Andy Wheeler (FLATOUT) had that issue with his.
    2008 SRT-10 Coupe - Venom Red Metallic w/ White Stripes
    High Flow Cats | Gen 5 Intake Manifold | HPTuners | 3.55s | MCS | DSS Axles | Nth Moto Clutch | 11.04 @ 129.7, 1.81 60' (-100 ft DA, w/ 3.55s)

  10. #10
    Quote Originally Posted by SRT_BluByU View Post
    Now im curious what's so special about the installation of the nTh Moto clutch that's different from any other clutch?
    Quote Originally Posted by Steve M View Post
    The details matter...if you don't get the input shaft completely deburred properly, you'll end up with engagement issues.

    I did a detailed write-up of the Nth Moto Clutch on my Gen 4, including detailed install instructions, here:

    https://driveviper.com/forums/thread...o-Gen-4-Clutch

    Yes, a clutch install isn't rocket science, but it pays to take your time on this particular one. Mine operates more smoothly than stock, with slightly more pedal pressure. Engagement is about the same when it comes to pedal travel. If there are issues, I'd suspect the input shaft - Andy Wheeler (FLATOUT) had that issue with his.
    Steve said it quite well, and also did a phenomenal job with his writeup.

    A large difference is today people want to have their cake and eat it too, which is fine so long as they are willing to put in the effort needed to accomplish that. Having a clutch hold 1500 BHP isn't necessarily hard and/or new, but having it do that (or more with our quad disc unit) and drive nicely is where it gets more tricky. Many users/installers of multi-plate clutches in the performance racing industry just assume and acknowledge that there are going to be sacrifices in drive quality so they may not care about the details pertaining to that so long as it holds torque and shifts when asked.

    The installation aspect is very important just like any other component in a car that is being asked for everything. It's the same reason that a general repair technician would likely take a cam straight out of a box and shove it into an engine, and an engine builder is going to mic each journal and measure the bore of each position on the block to ensure clearances are what they should be, not just assume it will be.
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  11. #11
    Steve M thread on nth moto clutch install is top notch. Well done!
    make sure you inspect input shaft bearing surface; replace or machine and sleeve if there is any question. Always replace bearing in end of the crank

  12. #12
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    I have had many different race clutches and am very picky about them... The Nth clutch is amazing and best one I have ever used.
    TT everything

  13. #13
    Enthusiast Steve M's Avatar
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    This is another thread you should read:

    https://driveviper.com/forums/thread...mile-follow-up

    It discusses Andy's input shaft issues, and the subsequent "too touchy" feel.

    That was the reason I took my sweet old time lapping the input shaft. When I say I went over every spline with a jeweler's loupe hand filing any nicks or gouges, I'm not kidding.

    When I first drove the clutch, I honestly wondered if it would hold even my stock-ish HP car. The engagements were so smooth and controlled; it felt nothing like any other performance clutch I've ever driven, to include an RPS carbon twin disk I had in my old Camaro. Those other clutches would chatter and grab hard when provoked...this one just didn't do that. My worries all went away the first time I dumped it on drag radials at the strip though...it hasn't slipped once. Yeah, I've only cut high 1.7x 60' times so far on it, but I'm still working on it. I'll be switching to a better, smaller tire this year out back to see what that does. I don't worry for a second about the clutch though. And to be clear, drag racing on drag radials is what did my stock clutch in after about 3 passes.
    2008 SRT-10 Coupe - Venom Red Metallic w/ White Stripes
    High Flow Cats | Gen 5 Intake Manifold | HPTuners | 3.55s | MCS | DSS Axles | Nth Moto Clutch | 11.04 @ 129.7, 1.81 60' (-100 ft DA, w/ 3.55s)

  14. #14
    Enthusiast Redx's Avatar
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    Another +1 for this unit, I’ve had stock, McLeod then the nth. The McLeod was fairly rough for daily use but found I could slip it pretty good at the track. The nth is buttery smooth for daily driving, although I find it not so forgiving when I try and slip it at the track so there is some trade off. You could slip the stock but like others mentioned, it’s on very borrowed time.

  15. #15
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    So those with the nth Moto and the 9Liter or the nth Moto in combo with any high HP engine don't find the combo to buck when starting out?
    2017 ACR/TA in 2014 TA Header Orange, #4 of 10.
    2008 Vert in Viper Bright Blue with silver stripes.
    2014 GTS in white with gunmetal stripes. I'm also one of the original 100's

  16. #16
    Enthusiast Jack B's Avatar
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    Quote Originally Posted by ViperGeorge View Post
    So those with the nth Moto and the 9Liter or the nth Moto in combo with any high HP engine don't find the combo to buck when starting out?
    George:

    It is not the 9L that causes a little buck, it is the HC, the addition of any cam with overlap will cause some buck. I did try the McLeod, it did not work, it started slipping after after a few runs with the DR's.
    Self tuned HPT 10.85@130 mph (DA=+1000)
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    (Sold) 1997 Red/White -10.9/129 MPH

  17. #17
    Enthusiast Vipes's Avatar
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    I don’t have a 9L but I have the Nth triple clutch. I was skeptical about it not making any chatter at idle or low rpms but I’ve never heard a peep out of it. It’s more challenging to slip going from a hard dig on DR’s vs stock since it’s a tight engagement window and it just grabs. Daily street driving I noticed you have give it a little more throttle when leaving from a stop which is do to the lightweight flywheel. Other that it drives like stock. All in all, it’s a badass clutch.
    Venom Black Viper TA #15 ~ CM700

  18. #18
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    Quote Originally Posted by ViperGeorge View Post
    So those with the nth Moto and the 9Liter or the nth Moto in combo with any high HP engine don't find the combo to buck when starting out?
    Nope.

    Drives like stock with a slight increase in pedal pressure. It's one of those mods I wish I had done much sooner. I was three broken stock clutches late installing the nth clutch.
    2008 Viper ACR
    2009 Viper SRT-10X | 190mph Standing Mile | 10.76@133.7mph 1/4 Mile


 

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