Hi guys,

i have a Zoom twin clutc in my C5.

My clutch came very late so the clutch pedal was nearly completely out till the clutch worked.

Now i ordered a Tick Performance Adjustable Clutch Master Cylinder Kit.
I thought i could set the clutch point at the pedal earlier but it is not possible. It was better before with the stock one

Did i make something wrong or is it only possible to change the stock clutch?

Please help i run crazy with that sh......

 

...

What do you mean it's not possible to change the engagement point? That's the whole idea of the Tick...

 

i mean the pressure point when the clutch works.
It is very late now (later then with the stock one) so the pedal is completely out now till the clutch works.

What can do?

 

can nobody help me?

 

OK so what you are saying is when you press the master in the clutch will en-gauge close to the floor right?

 

No, when i relese the pedal the clutch engages extreme late.
With the stock cylinder it engaged very late but it was ok. With the adjustable Tikt master cylinder it engages later than with the stock cylinder and i can`t adjust it in this direction because the tige filetée is completely out and i think also the capatcity from the stock cylinder is more. With more cylinder capacity it sould also come later.

Maybe with a stock clutch it can be adjusted in both directions but not with Spec Stage 3 or zoom twin clutches.

 

What was the clearance from the clutch pressure plate to slave when clutch was installed?

 

i didn`t put it in myself and i know that this is why it comes so late but i want to fix it with an other master cylinder.
When it is adjustable and has more capatcity then the stock one it should be also possible to change the pressure point?!

 

Exactly,.... may need shimming.

 

Yes but shimming means a lot of work and changing the master cylinder is easier

What do you mean, does anybody have such a cylinder and how much should be the clearance between clutch and slave cylinder?

steve

 

If you not properly disengaging the pressure plate the clutch is dragging and your going to burn it up. Step one you should bleed the system and make sure it is good. Then try again. If not you need to start pulling driveline and properly inspect slave to pressure plate clearance. What clutch is in your car?

 

Zoom Performance Clutches 901852 D2 Series Stage 2 Twin Disc Clutch Kit Size 8 7/8 in. 26 Spline x 1 1/8 in. Incl. Cover Assembly/Clutch Disc/Release Bearing/Pilot Bearing/Align Tool 900 lbs./ft.

And a spec lightweight SC75A flywheel

I drive this combination since 3 years without problems.
Before i had the stage 3 from spec with the same flywheel but i had the pedal problem also with the spech clutch.

With the stock clutch the clutch came earlier when i releesed the pedal.

I only want to know if i can change the pressure point at the pedal with an other mastercylinder and with what cylinder?

Thank you

 

tige filetee = threaded rod? meaning you have the rod between the pedal and the master adjusted as long as possible? If yes, then I think you've got the operation of the master backwards. Try making the rod shorter to get a lower pedal release point.

The master is basically a piston running inside a bore. The resevoir connects to a port on the side of the bore. The piston will travel back behind the port when the clutch is released. The piston only operates the clutch when it is ahead of the port. So, pull the piston further back behind the port and then you have to push it further ahead again before it gets in front of the port and operates the clutch. See how a shorter rod means more pedal travel before the clutch is disengaged??

Or think this way. Press the clutch until it just releases. The piston in the master has to always be at that exact spot to release the clutch. So, if you want the pedal further down and you can't move the piston then you have to make the distance between the piston and the pedal shorter.

Still, the Tic master should have come with instructions on how to set it up. You have to be careful because if you set the master up wrong you might over-travel the clutch and bad things could happen such as damaging the clutch or the clutch exploding. With your fully extended rod I would be very concerned about this happening. Making the rod too short just means the clutch might not fully release and the transmission is hard to shift.

 

I'm running a tic and it is perfect. But... you have to adjust it perfectly. Download the instructions off their website if you havent already. If you have that much travel on your pedal to engage, it is way out of adjustment and essentially you are pushing the pp arms past center which WILL break them. Ask me how I know. With the master adjusted properly, my clutch engages barely 2" off the floor.