Paul you may use anything i put on the internet. Years back I wrote
stuff for the South African Sunbeam club and have lost contact there.
The Classic Jaguar Assn. which I founded in 1961 has reps and members
in Australia and NZand we encourage free exchange of club stories and
tech and historical articles which I and others write. Mostly I am
considered one of the few experts on SS car and SS90 and 100
technical matters. So I get lots of queries for historical and tech
advice on these rare machines. I once owned the 3rd SS90 built and
also the 25th SS100 built as well as 62 other SS and Jag models from
1931-74 models. I had a project going in 1963 and with support from
the works and Sir Wm. Lyons, to try and break the Tasmanian land
speed record once held by a SS100 at 118 mph. I did in fact install
a 3.5 litre SS engine which cranked 162 hp and would have been able
to reach about 122 mph but ENV Gears Ltd failed to produce the needed
gear set and I soon sold off this car for a new challenge of some
sort.
BTW..a few years ago I had an encounter with your Penrite Oil Co of
East Brunswick, Victoria re. their line of lubricants sold to be used
in antique cars. As I pointed out to their technicians, they were
ignoring the vast strides and improvements made in oils and greases
since WW2 and foisting off on owners lots of crap which was about the
equal of pre-1930 lubricants. They implied that old cars MUST use
old style oils, which is rubbish as any lube engineer knows full well.
We warned all the Jag clubs around the world about this scam and
their people did not continue contact with me any more and likely
curse my name. If this line of so-called veteran and vintage car
lubricants is still being pushed I would suggest you chaps do
something about it.
Mind you, some of their products would in fact handle the needs of
some parts of old cars but in the engine , gearbox and moving parts
of steering and suspension we should be using stuff which protects
much better and minimizes wear of precious old parts. I tried to
advise them about Andre-hartford telecontrol shock absorber
requirements and they were not interested since they made nothing
which would work safely.
This co. also makes a line of modern products but when I asked them
about some of the weak specs on their so called best oils, they would
not supply more tech info on the subject.
---------------------------
Jarrid, the OD is simply not designed to handle shock engagement of
the clutch, as expected in sporting or racing operations. The
planetary gear sets as well tail shaft simply are too lightly made.
The larger unit from Jaguar size engines will of course take all the
SV could produce..and then some.
For racing I always used the fully synchro SV std. gearbox and I was
very fussy to keep new synchro rings in it to assure no gear crash
when I downshifted in a violent manner. Also got rid of motor oil
and hypoid oil which had too much EP additive and made the synchros
slip a bit. SAE 90 GL 1 or GL2 gear oil did the job. I think that I
could have used some motor oil of the earlier SC-SD type which would
not have so much EP additive but it was hard to find in recent years
and would have been old stock.
---------------------
Joe, the std OD will handle all normal highway service in 4th gear.
Some guys by-pass the cutout switch and make it work in all gears
which is sudden death internally. I used to race a 4 cyl Healey and
it had a 3 speed plus OD so I had 6 speeds forward as well as OD
reverse ! for a short while...then big bills and a hard lesson
learned.
When you buy a OD try to get the OD ring and pinion ratio as well
otherwise you would be grossly overdriven in 4th and the car would be
a slug.
---------------------
Dick T.
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