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[T3] Auto and manual engines


Just been asked what problems might be encountered if a 73 twin carb auto engine
is swapped with a 71 twin carb manual.

I came up with the following:-

There's a sealing cap on the front (front is front) of the engine that is put in
with the hollow outwards on the auto and inwards on the manual. Apparently the
auto torque convertor can destroy the base of this plug if it is fitted with the
bottom outwards, producing a large oil leak.

The gland nut is different - use the one from the auto.

Front cover plate - use auto one.

Carbs and balance pipes - use auto ones.

Distributor - use auto one as the advance curve is different.   Actually, the 71
manual might have a dual vacuum distributor - mine has.

Apparently he has already started using the manual distributor as the auto one
failed a couple of months ago - not sure if he has done anything about the dual
vac aspect though.

Anything wrong, or missed out?

Thanks,
Dave.
UK VW Type 3 & 4 Club
http://www.hallvw.clara.co.uk/
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