Lock up clutch kits.

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Re: Lock up clutch kits.

Postby spatsr1 » Tue Oct 08, 2019 9:11 pm

hi i would like one please
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Re: Lock up clutch kits.

Postby johnste1960 » Thu Oct 10, 2019 1:12 am

Anyone hear from grumpy on feasibility or likelihood of this? Seems like lots of interest.
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Re: Lock up clutch kits.

Postby midwest turbo » Sun Dec 01, 2019 12:57 am

is this in the works? or just a dead topic? anyone hear anything from grumpy? thanks
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Re: Lock up clutch kits.

Postby Würstchens-Turbo 810 » Sun Dec 01, 2019 11:01 am

I am interested for one but i must have an approximate price +- 50$
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Re: Lock up clutch kits.

Postby Wilsaan » Sun Jan 19, 2020 5:53 pm

Hi....
I'd be interested in 2....but really have no idea on price?!
750 Turbo E2
E1 Bitsa Turbo Import???
1981 GPZ750 R1
1981 H*nda CB750F RC04
1984 Z750 L4
1986 Z750 L4
1985 GPZ600
1979 250 Beamish Suzuki
1972 250 AJS Stormer
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Re: Lock up clutch kits.

Postby Eckhard » Sun Mar 08, 2020 4:03 pm

Anyone have a design for one of these things????
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Re: Lock up clutch kits.

Postby Charlie @ Evergreen » Sun Mar 08, 2020 10:53 pm

Option if G is not making these. I removed my lock up and run Rogers Hydralic with his HD Springs so engine looks more OEM. There is no slippage period with my built 810 and the hydraulic clutch makes those springs feel like butter. Just a option and less $$$ invested. :thumbup
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Re: Lock up clutch kits.

Postby Turboblew2 » Tue Mar 17, 2020 11:01 pm

I ran the heaviest springs I could find... and it still slipped. Wasnt til I did the lockup was I able to do highway pulls. So I have to ask...what are the in lbs on the ones you are running?? I take it they are Barnett??
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Re: Lock up clutch kits.

Postby Charlie @ Evergreen » Wed Mar 18, 2020 3:13 am

Hey TB you could call Roger Twito and ask as I don't recall what they are. Pretty sure there not Barnett. I would remember that. My clutch does not slip before or after the lockup was removed. Hopefully Roger can fill you in what he is using.
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Re: Lock up clutch kits.

Postby Eckhard » Wed Mar 18, 2020 2:16 pm

Charlie, when you write "HD springs" do you mean Heavy Duty or Harley Davidson?
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Re: Lock up clutch kits.

Postby Charlie @ Evergreen » Wed Mar 18, 2020 6:15 pm

Hi Eckhard, Your right I should write it out..there heavy duty springs (stronger spring rate & maybe length?) Again there Rogers he uses on many turbo 750s including Scott Schmit's single sided rear ened 810 engine that is built like mine. Many others. :thumbup
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Re: Lock up clutch kits.

Postby longfiredragon » Wed Mar 18, 2020 6:44 pm

I run the same springs C is referring to and they are fine all the way up to around 20LBS of boost, they will slip much over that though (Don't ask how I know this :rofl: ) I don 't have the hydraulic clutch setup yet though, would be nice, working on it.

Before these springs I was using some other ones I have they were sold as KZ 1000 red racing springs and they are even heavier, they did not slip even above 20LBS, in fact they never slipped even one time on me. You can sit them side by side and see they are physically a bigger beefier spring then the ones I am using now. (And yes they are red in color)

Also, not that this helps anybody but years ago I did put the red racing springs and stock ones on our calibrated spring tester here at work, and the racing springs were heavier load when compressed to the same height, as they should be. Of course I don't remember the exact numbers. :victory
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Re: Lock up clutch kits.

Postby riturbo » Wed Mar 18, 2020 10:59 pm

Still have some of these no slippage . viewtopic.php?f=6&t=17241
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Re: Lock up clutch kits.

Postby longfiredragon » Thu Mar 26, 2020 12:16 am

So guys I need to clarify something on my earlier post regarding the springs I reference that Charlie and I are both using as well as others. I was incorrect when I stated they will allow the clutch to slip around 20 pounds. When this happened was probably around a year and a half ago and my clutch was probably not adjusted right. I have been assured that these springs will not slip at 20 psi or even more. Sorry if I mislead any one.
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Re: Lock up clutch kits.

Postby Eckhard » Thu Mar 26, 2020 12:12 pm

longfiredragon wrote:So guys I need to clarify something on my earlier post regarding the springs I reference that Charlie and I are both using as well as others. I was incorrect when I stated they will allow the clutch to slip around 20 pounds. When this happened was probably around a year and a half ago and my clutch was probably not adjusted right. I have been assured that these springs will not slip at 20 psi or even more. Sorry if I mislead any one.


Sounds like someone twisted your arm to say that. There is nothing wrong with reporting your personal experiences even if they are contrary to conventional wisdom. For now I will assume they allow slip above 20 psi unless you give me a concrete diagnosis of what the problem that was responsible for the slippage.
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