[Fot] Clutch Hydraulics Revisited

[Bill Tobin]

Me too, Chris. Stock MC, slave,and braided hose. -4 I think. And a Magic 
clutch from TRF.
KISS.
Only time I had a problem was when a rebuilt slave cyl. failed on the grid. 
Got it running on the starter and did the practice session without the 
clutch.
To all Vets out there: thank you. Lots of flags in the cemetaries.
Bill
----- Original Message ----- 
From: "MadMarx" <tr4racing at googlemail.com>
To: <fot at autox.team.net>
Sent: Monday, May 27, 2013 2:52 PM
Subject: Re: [Fot] Clutch Hydraulics Revisited


> 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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