[Fot] Clutch Hydraulics Revisited

[MadMarx]

You guys doing really complicated stuff.
I use stock stuff and it is doing well.

Chris

-----Urspr|ngliche Nachricht-----
Von: fot-bounces at autox.team.net [mailto:fot-bounces at autox.team.net] Im
Auftrag von Joe Boruch
Gesendet: Montag, 27. Mai 2013 05:17
An: lang at isis.mit.edu
Cc: fot at autox.team.net
Betreff: Re: [Fot] Clutch Hydraulics Revisited

Bob, how are you getting the car on the trailer?  If you are driving it on,
you may be wearing out the clutch?  Doing anything different with going on
the trailer now compared to before?

Do you have an AN hose all the way from the MC to the slave cylinder?   May
be
worth changing it, in case it has a kink or debris restricting it?  Joe(B)

---------- Original Message ----------
From: "Robert M. Lang" <lang at isis.mit.edu>
To: fot at autox.team.net
Subject: [Fot] Clutch Hydraulics Revisited
Date: Thu, 23 May 2013 08:03:50 -0400 (EDT)

Hi,

I scanned the FOT archives quickly and maybe I missed seeing anything
definitive on the subject. My "issue" is that since I switched from the
stock TR6 clutch M/C to a Tilton unit, I've been having problems with clutch
disk / flywheel glazing (and subsequent slippage). Now, the problem could be
that I'm leaving my clutch foot resting on the clutch pedal, but I installed
a dead pedal a while back - perhaps before the latest clutch installation -
and in my videos, you can def hear what is either wheel spin or clutch
slippage when I floor it.

The Tilton clutch M/C that was installed has AN3 fittings and the stock
setup is AN4. Is there any chance that the smaller hose / pipe can restrict
the hydraulic motion in a way that can effect rapid clutch release?

I'm next to positive that there's nothing stupid going on here, like a
residual pressure valve or something like that. I'm 99% sure I can push the
slave's pushrod and cause fluid to back-flow into the M/C reservior.

This is really annoying because the original clutch setup (a 69 M/C with a
used B&B PP and all "stock" stuff) lasted for 6 or 7 seasons and the new
setup(s) only seem to last 1/2 season or so. That's like 50 autocross
launches, max.

BTW, the dead pedal is so awesome that I forget to push the clutch in when I
start spinning. This has led to some pretty impressive 180's!!! Gotta work
on that aspect of my driving, I guess.

Regards,
rml
---------------------------------------------------------------------------
Bob Lang              Triumph TR6!!            |  This space for rent
Former NER Solo Chair                          |
Voice:617-253-7438                             |  Cell: 339-927-4489
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