Eric -
The 6 cyl Flywheel will work on any 6 cyl healey, they are all more or less
identical.
With respect to the clutch, all you have to do is take the clutch cover and
flywheel to your local machine shop (where you had the flywheel surfaced)
and they can re-peg the flywheel for you. If they know how to do flywheel
surfacing they will likely know how to repeg the flywheel. Make sure they
balance the flywheel and cover after they repeg, so take your mount bolts
too.
If I'm not mistaken, I think the 9.5" clutch cover plate has two pegs and
the 9" clutch cover plate has three pegs. I had it repegged on my '64 BJ8
15 years ago when you couldn't get new 9.5" clutches.
Alan
'52 A90
'53 BN1
'59 Jag Mk IX
'64 BJ8
On Thu, Dec 10, 2009 at 5:55 PM, Eric Frenken <lists@brits-n-pieces.com>wrote:
> Healey specialists,
>
> the 6 cylinders started life with a 9" clutch, while on the 3000s this was
> increased to 10". Sometime in 1963 (on the MK IIa) this was changed to 9.5"
> (diaphragm spring type) and later in 1964 reduced to 9". I thought I had
> read somewhere that the earlier (pre MK IIa) model clutches can easily be
> converted to the 9.5" diaphragm spring type clutch by simply exchanging all
> 3 clutch components (driven plate, clutch cover and release bearing).
>
> Lately I tried to install a new 9.5" clutch into a late (center shifter)
> BT7
> but found that the clutch cover doesn't fit. The holes on the outer edge of
> the original 10" clutch cover (which take the screws to the flywheel) are
> about 11 5/8" apart (measured across the center of the clutch cover), while
> these on the 9.5" cover are only about 10 5/8" apart.
>
> My question is, do I have to change the flywheel as well and which other
> "surprises" do I have to expect? Is there a clutch set I could use on all 6
> cylinders?
>
> Thanks,
>
> Eric
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