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RE: Gearbox interchangability

To: "Joe Curry" <spitlist@gte.net>, "Mark Gardner" <mrgrdnr@ix.netcom.com>
Subject: RE: Gearbox interchangability
From: "Michael Burdick" <burdick@abacus.mc.duke.edu>
Date: Tue, 29 Jun 1999 09:33:57 -0400
Joe Curry wrote:

> It isn't quite that easy.  The mainshaft is different between the two
> units, so you have to find not only an OD unit, but also the OD
> mainshaft to transfer the gear set onto.  Then it bolts right up.  After
> that, you need wiring, the new shifter with switch, an adapter plate to
> bolt it onto and a shortened drive shaft.  

In addition, converting later (single rail) transmissions requires adding
an OD-specific top cover.  I am 98% sure that the drive shaft was the
same length for OD and non-OD single-rail trannies (unlike the 3-rail
trannies which are different lengths).  Can anyone verify, or correct me,
on this?

Mike Burdick
Durham NC
'70 Spit, converted to OD

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