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Re: compatible clutch parts - lots of questions

To: "Kai M. Radicke" <kmr@pil.net>
Subject: Re: compatible clutch parts - lots of questions
From: RPVanLuchene@lbl.gov
Date: Wed, 24 Oct 2001 10:54:59 -0700
> The TR6 throwout bearing is a Triumph only part, used on the TR4A / 
> 250 / 5
> / 6 and Triumph Stag.  Clutch Disc is also a Triumph only bit, not 
> swapablewith other marques.  It is the Clutch Pressure Plate 
> assembly which is
> swapable with a bunch of other cars.

I'm not on the Triumphs list - but has anyone heard about people with
TR4A's having clutch troubles, too? How about the GT6 or the 2500
saloons or the Stag?

> 
> (and I've posted this before in the past... so save it this time, 
> this is
> correct information)


OK, Chief 


> 
> This information is directly from the 1984-1985 Quinton Hazell Clutch
> Components book:
> 
> Clutch Cover Assembly
> Q10028 (Quinton Hazell Part Num.)
> Borg & Beck:  HE2847, HE3338, HE2499
> Saab:  8712036
> Unipart:  GCC139


Why are there 3 different part numbers for a B&B p/p - are they just
supercession numbers or are there actual differences in the parts?

Who manufactures the p/p listed as "Saab:  8712036"? Or is that just a
generic Saab part number for the p/p used in their cars?

I have heard of QH and Unipart, both English companies, right? Are their
parts so crappy that Moss nor TRF will sell their clutch parts? 


>Now I will say this, the Saab non-turbo pressure plate assembly will
>work!
> This is the same specification pressure plate as used in the Triumph
>GT6, TR4A / 250 / 5. However, THIS IS NOT the plate recommended for use
>in the TR6 installation. The non-turbo pressure plates are not built to
>the higher specification of the turbo assembly, and thus can not manage
>the extra power and torque effectively. 


Why would a p/p recommended for the TR250/TR5 not be recommended for the 
TR6? Aren't they pretty much identical mechanically? At least the early
6's seem to be - Please elaborate...

Ryan
6/71 TR6

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