spitfires
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Re: Lots o questions

To: Barry Schwartz <bschwart@pacbell.net>
Subject: Re: Lots o questions
From: Andrew Mace <amace@unix2.nysed.gov>
Date: Tue, 23 Nov 1999 12:52:41 -0500 ()
On Tue, 23 Nov 1999, Barry Schwartz wrote:

> Actually it's a slight bit diceier than that.  Up thru 1972, the disk is a
> 6-1/2 x 10 spline.  From 73-74 it's a 7-1/4 x 10 spline, and then (1975 on)
> it becomes a 7-1/4 x 20 spline (single rail).  The pressure plate would be
> sized accordingly, so up thru 72 it's a 6-1/2 incher, and from 73 on it
> would be a7-1/4 inch.  Anything with a single rail transmission should be a
> 7-1/4 x 20 spline, but a 3 rail could have a 6-1/2 or a 7-1/4 dia x 10
> spline setup depending upon what year flywheel (or engine) it has - 

Oh, and just to make it really interesting, don't forget that the earliest
"Mk.1" Spitfires originally had a spring-style pressure plate and not the
diaphragm type as all later cars did. Yeah, that's ALSO a different
(friction) plate! ;-)

--Andy

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* Andrew Mace, President and                *
*   10/Herald/Vitesse (Sports 6) Consultant *
* Vintage Triumph Register <www.vtr.org>    *
* amace@unix2.nysed.gov                     *
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