I believe the 2,3,4's had a return spring on the slave cylinder. This would
cause the SS piston to return to its 'home' position wherever that was. The
adjustable push rod was needed to maintain proper clearance between the TO
bearing and PP. The rods on the 6 just sort of float out there and clearance
between PP and TO is minimal. Adjustable rod on the 6 will make no difference
unless a return spring is attached to the clutch release arm as in TR4. At
least that's how I remember it and the more time that goes by the bigger the
memory ? becomes.
Bill
'70 6 original owner
----- Original Message -----
From: Sally or Dick Taylor <tr6taylor@webtv.net>
Date: Thursday, September 30, 2010 4:15 pm
Subject: Re: [6pack] Clutch slave pushrod
To: Vsnively@aol.com, 6pack@autox.team.net
> Vic---I don't know what the SC differences are between the four
> and the six, but the Triumph factory must have felt the self
> adjusting later design was better. The later SC, with its
> internal spring, keeps all of the play out of the linkage
> between the SC pushrod up to the clutch fingers. Apparantly the
> TR4 needed to have this rod adjusted when play developed in the
> clutch mechanism. No such adjustment is needed with the
> six. However, if there is play in the linkage down in the
> pedal box, it must be corrected to get the full stroke of the
> clutch pedal. (The adjustable pushrod will not get back this
> lost motion).
>
> The question might be: Would the later SC be a better choice for
> the TR3/4? (I don't know the bore size, bolt flange dimension, etc.)
>
> Dick
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