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Re: [6pack] Clutch Master Cylinder diameters

To: "Navarrette, Vance" <vance.navarrette@intel.com>
Subject: Re: [6pack] Clutch Master Cylinder diameters
From: Jim Franks <jimmble@roadrunner.com>
Date: Tue, 13 May 2008 07:52:27 -0400
Vance,

In my experience the Sachs plate is comparable in 'feel' to a Laycock. I 
never ran one for many miles, or with a super strong engine to give a 
longterm opinion on whether it is 'da bomb, however. I'll be using one 
on my next build.

Jim

Navarrette, Vance wrote:
>       rml:
>
>       Add to the clutch MC machinations the fact that there have been
> numerous substitutions and cross references for the pressure plate on
> the TR6. The early TR6 clutch used the Borg and Beck pressure plate
> "yellow spot" design, later TR used the Laycock design (no longer
> available except rebuilt) which is alleged to have been very light
> indeed. Years later, B&B dropped the yellow spot and started
> recommending the stiffer "blue spot" which was from a Ford Van, but some
> people mistakenly started using the "green spot" clutch which even
> stiffer than the blue spot.
>       Add to this the fact that people use Sachs pressure plates (I
> have no idea where those fit in the spectrum of pressure plates) and you
> have a very convoluted issue.
>       I was lucky, I found a NOS yellow spot B&B setup, which combined
> with the 0.70" MC on my car yields a very light clutch that engages
> halfway off the floor. Perfect. My LBC mechanic commented that it was
> the lightest TR6 clutch he had ever driven.
>       And of course, the stiffer the pressure plate, the more wear on
> the thrust washers every time you depress the clutch pedal. So many
> issues stem from the choice of pressure plate and clutch MC.
>
>       Cheers,
>
>       Vance
>
>
>     Vance Navarrette
>     Cogito Ergo Zoom
>     I think, therefore I go fast
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