Steve,
I once put a rebuilt .75 MC from a TR250 on my '72 6 and didn't notice
any better clutch action. I still had to push the clutch all the way in to
disengage.
I just put a Spitfire actuating arm on the .70 MC in my '74 6; the arm is
about 1/2" longer and gives a longer stroke without bottoming out. I now
have to rebuild the slave to try it out. The downside is the clutch pedal
now sits noticeably higher than the brake. If it proves awkward to shift
I'll bush old one and put it back in.
TR4 & 4A clutch MC's are .75 - I haven't tried but it will probably bolt
up. The actuating arm may not be the same length. Worth a try if you have
a good TR4 core to rebuild. Good luck!
Jeff
'74 TR6
----- Original Message -----
From: "Steve Cirimele" <steve@catnamedkitty.com>
To: <6pack@autox.team.net>
Sent: Wednesday, September 03, 2003 1:07 AM
Subject: .75" clutch master in an early TR6?
> Hey there Listers,
>
> I'm thinking of purchasing a new Clutch Master Cylinder
> to help overcome the infamous "difficulty of clutch
> disengagement" problem. The holes are out of round on
> both my clutch pedal and also on the actuating arm of
> the clutch master cylinder.
>
> I'm going to have the clutch pedal repaired at a
> machine shop (per suggestions in the archives of this
> list - using some kind of bushing to ease repair next
> time). But what about the "out of round" problem on
> the arm of the clutch master cylinder? I can't buy a
> replacement arm, but I can buy a whole new master
> cylinder. (Also, maybe I can have the shop repair the
> holes on the M/C as well as the pedal)...
>
> But the thing I'm really wondering about is whether or
> not I should install a 0.75" diameter Master Cylinder
> (I have a 1970 TR6, which comes with the 0.70" diameter
> M/C). Since I don't see two available sizes for the
> clutch Slave Cylinder, I'm thinking that Triumph
> decided to put more volume into the master to reduce
> the necessary clutch pedal travel a bit. Make sense?
>
> Any suggestions or experience installing a 0.75" dia
> master cylider on a TR6 year model that calls for the
> 0.70" diameter one?
>
> Many Thanks,
>
> Steve
> 1970 TR6, non OD.
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