Hydraulic clutch?

[AnthonyG]

My poor discripion in refering to part of interest as fork. I am talking about the arm that the current linkage pushes.

[rich b]

Interesting subject.

Old hot rod used '40 pedal assy, had a plate mounted between the master and bracket that extended to the left and mounted another Ford master, clutch pedal replaced with a second brake pedal and master pushrod extended to fit; plumbed up to a Chev truck slave on a fabbed mount. Worked very well.

Don't really think there are any manufactured parts made anymore; but not rocket science to make either.

Chev or Ford truck slave cyls with matching master cyls are good; aftermarket shiny anodized stuff not good.

Hydraulic throw out bearings have their own headaches.

[itslow]

The question would be, "Why?" Why do you want to use a hydraulic system?

Avoid using a hydraulic throwout bearing if at all possible. They are a major PITA when they decide to start leaking.

[Anton Voycheck]

Quote:
Originally Posted by Jack E/NJ
I don't think there's an easier, smoother, more compact & trouble-free clutch actuator than on the original mechanical setups in the original cars. That goes for mehanical brakes too (with Ted's floaters of course). 8^) Jack E/NJ

Originally Posted by Admiral

Exactly. I'm not sure why you'd want the complexity of a hydraulic clutch on an old, Flathead-era Ford. The stock units work pretty brilliantly.

What would be the advantage of an hydraulic system?

[40cpe]

Originally Posted by Anton Voycheck

Quote:

What would be the advantage of an hydraulic system?

It is the opinion of some that on pre-'40 Fords the engine/transmission moves, to some extent, in reaction to the torque tube movement. Combine this with the rigid position of the clutch actuating linkage on the frame and it results in less than smooth clutch engagement. The slave cylinder mounted to the engine/transmission combination would eliminate this as a cause of chatter.

[V8COOPMAN]

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Originally Posted by itslow

The question would be, "Why?" Why do you want to use a hydraulic system?

Avoid using a hydraulic throwout bearing if at all possible.

I attempted to guess WHY back in post #12. If y'all remember, Anthony was in the process of converting to hydraulic brakes using some iteration of Richard's EV8G conversion pieces. I was thinking that part of the stock clutch operation became altered using Richard's system. Anthony kind of side-stepped answering that part of my question. DD

[Anton Voycheck]

Thanks.

[glennpm]

I have one on my SBC in my 40 Ford.

[Jack E/NJ]

I had the original mechanical one on my SBC in my 38 Ford. Smooth as silk. Now I have the same mechanical one on my original 21-stud in my 38 Ford. Still smooth as silk. 8^) Jack E/NJ

[AnthonyG]

DD, not side stepping, just have had quite a bit of experience in posting/ answering threads and know to much detail tends to make the requested info get too tangled in the conversation. As the curiosity level seems high, even though it killed the cat,LOL, here goes. Yes working on the details to convert to juice brakes on my '35. Yes spoke to rich at Early V8 Garage (good Guy lots of info!). But also spoke to Mark at ECI, he has developed similar to Rich except a dual master w booster bracket / dual master kit designed to fit on the stock X member using two stock holes and using his bracket as a fixture to line drill two more mounting holes. It allows the efficient use of the front disc with either the lockheed or the Lincoln Bendix in the rear. This setup however uses a hydraulic clutch cyl. not the stock linkage. He claims there's enough room to even leave the original battery box. The kicker is & that's what the thread is about is, I'm trying to figure out what the slave cyl. mounted to some kind of bracket to actuate the clutch arm to match or more the stroke that the stock linkage provides.

[Adam/Mill Valley CA]

Put the Modern Driveline hydraulic clutch conversion kit (external slave cylinder) on our '65 Mustang with 289 and T-5 in place of the cable clutch actuator we had installed first; the hydraulic action is just perfect, as good as our 2016 Jetta 5-speed. Uses Wilwood components as I recall. Very important to have the correct matchup for both pedal leverage and master-to-slave ratio, all of which Modern Driveline has figured out.

Adam