| > The A-type has a vertically mounted solenoid whereas the 
> J-type's solenoid is horizontal.
Be warned, however, that some A-types (like for early Stag) have a
horizontal solenoid too.
Another point of identification is the drain plug on the bottom.  The A-type
has a single great big plug some 3" in diameter screwed directly into the
body casting.  The J-type has a flat plate bolted to the body, with 3
smaller plugs of different sizes but roughly 1" in diameter.
Randall
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