I more grist to the mill.
Your story reminded me of an article in my Rapier owner's club mag. It
concerned clutch upgrades on early Rapiers, but may help, and it also tallys
with the reply from Jan Servaites:
"For background, the series I to early series IV Rapiers are fitted with an
8" coil spring clutch... ...late series IV, V and fastbacks have a 7 1/2"
diaphram clutch. The H120 has a 8 1/2 " diaphram clutch, and this clutch
cover pressing and gauge plate height is the same as the MGB... ...Series
I, II, and early series III have a two dowel fitting and the flywheel has
two holes to match. The late series III, IIIa, early series IV and H120
have a three-dowel fitting and all use the same flywheel. The later series
IV, V and other fastbacks also have a three dowel fitting but on a 7 1/2"
diameter.
"...clutch driven plate, which on a H120 and MGB has a fine spline, whereas
the series I, II, III, IIIa, and early IV all have a coarse spline...
...You can use either a 8" or 8 1/2 " with the H120 or MGB clutch cover..
"The existing clutch release lever and and the bearing from the earl series
I, II, III,, IIIa and early IV is to be used, but the the release lever
pillar needs to be changed for the later series IV or V type. These are
about 1/2" taller... ...The hydraulics remain unchanged"
All credit must go to Tony Hugget, long time member of the Sunbeam Rapier
Owner's Club (www.sunbeamrapier.com). The article appeared in the Spring
2004 iss of 'Cut and Thrust'.
As I said. I hope this helps.
Mike Hooper
'68 H120
> Alpine experts,
>
> I finally got around to working on my clutch over the holiday
> weekend. However, I found that the new clutch, purchased as a
> replacement for the original in my car (early Series V w/10-spline
> shaft), is different from the one that's been in the car for the past
> 20 years. The new clutch, with a 7.5" driven plate, is relatively
> small. The clutch from the car has an 8" driven plate and a larger
> clutch cover/diaphragm spring. The flywheel in the car is also
> different from one mounted on my spare engine. Since the flywheel on
> my spare engine mates correctly to the new clutch, I assume it is
> original and that the one in the car is not.
>
> I would consider swapping out flywheels, so I could use the clutch I
> already purchased, but the spare (original) flywheel has badly worn
> teeth. (I also like the idea of a larger clutch, despite the heavier
> flywheel. Please correct me if this is a bad idea.)
>
> If I can identify the 8" clutch and find a source for a new one, I
> would probably just replace it. The 8" clutch is stamped "Borg & Beck
> Co. Ltd." "England". Other than a difference of size and the related
> difference of flywheels, it is similar to the original Alpine clutch.
>
> Photos of the clutch can be seen at
>
> http://mywebpages.comcast.net/jmies/alpine/clutch/clutch.html
>
> Does anybody recognize it?
> Is it from a different Alpine or other Roots car?
> Does anybody know of a source or have other advice for me?
>
> Thanks
> Jon
>
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