In theory you could just swap the non o/d extension housing and replace with 
o/d type and o/d.
There are o/d units with an output flange at each end that you could use if 
you really wanted.
I would be grateful if you guys could let me have the respective weights of a 
stock 1500 box and the overdrive box, with a seperate weight for the 
bellhousing.
I think the Triumph/1500 Midget was the single rail box with J type o/d.
Many thanks
Daniel
In a message dated 27/10/00 23:24:13 GMT Daylight Time, 
guy@weller-lakes.greatxscape.net writes:
<< Hi Trevor,
 Yes I agree, I would not recommend trying to fit an O/d unit to a
 standard box. I was merely commenting that the box part of the set up
 was the same (excepting the output shaft)
 I cannot now remember the differences between the 2 o/d units - if I
 can find my paperwork about this I'll let you know
 My "H" - shaped subframe unit doubles as gearbox mounting and X-frame
 replacement, and is fully removable, which makes fitting the
 engine/gearbox easier.
 Guy >>
 
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