Oh, OK, maybe I'm thinking of the TO bearing. I was just recalling I was
warned off the heavy duty unit when I replaced my clutch, probably for the
reasons you mention.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 11/2/05 5:25 PM, Dodd, Kelvin at doddk@mossmotors.com wrote:
> Max:
>
> I don't remember any problems with the heavy duty clutch components.
> The cover and disc are still carried and are being used by a number of
> MGVR members.
>
> I don't recommend the cover for street use as it has higher spring
> pressure which put more load on the TO bearing and hydraulic system. If
> you are putting over 100 hp down on a regular basis, it would give you
> the extra clamping needed. Personally I don't pull mobile homes over
> steep mountain passes, so even with a supercharger I would not install
> one.
>
> I would need to do more research on the disc as I don't know what
> improvements it offers. I am guessing that the springs are stiffer,
> which may not be a bad thing as I have had badly worn, loose springs on
> street cars before now. I don't know if there is a material
> specification change.
>
> Both components are the correct bits specced by Borg & Beck, now Delphi
> Lockheed for better clamping on modified MGBs.
>
>
> Kelvin Dodd
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