Re: scored a '65 3-speed manual trans!

[Ray Bell <raybell46@xxxxxxxxx>]

Ben, I'd like to raise a few issues about what you have posted here.

First, when it comes to 3-speed transmissions in the '64 model 330
fitted with a Poly, I think I'm right in saying there were two
different transmissions fitted. 'Light duty' cars came with the A903
where the A745 was fitted to other cars. And there were different gear
ratios.

You mentioning that you damaged the original does indeed auger towards
you probably having had the light A903 in there, but that's not
conclusive.

Do you know the difference between the A903 and the A745? They are
readily recognised as different as the pressed steel top cover on the
A745 has a rounded bulge towards the front of the cover, the A903's
cover is essentially flat.

The A903 was most commonly used behind the slant 6, but there were
some 'heavy duty' full size cars with slants which came with the A745.
Just to complicate things!

Of course, the transfer of the transmission from the '65 Coronet to
the '65 330 means you will be changing from the original ball &
trunnion to a sliding yoke. Practical, but not so original.

I'm a little confused about the mention of butchering the torsion bar
crossmember. Perhaps the A833 you used had its shifter mount in the
wrong place, but I wouldn't think it really was necessary to attack
the crossmember. Be that as it may, you now have the opportunity to
right that wrong.

Roger has mentioned that he has several transmissions that might suit
you, and in my seeking out of A745s from distant Australia I have been
able to find several over the past six or seven years, I am mystified
that your search has taken so long.

If you now find that the transmission you have now located is an A903
(it shouldn't be from a '65 model, but you never know!), I would
suggest you don't use it. Too light.

If it is an A745 and it was behind a big block engine (you don't
mention this...) you will find it's the 2.45:1 first gear version. On
the other hand, if it was behind a 318 or 273 it might be the 3.1:1
first gear version. Not that this will make a huge difference to you
unless you want to do some spirited driving on twisty roads using the
gearbox to the full. There are fors and againsts with both.

It is good you are taking this trouble to make the car more original
and to make it possible for youngsters to better understand what a
'standard transmission' was four decades before 6-speeds became
commonplace.

Ray



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