here is a copy of some comments i saved regarding this conversion for my 79
' spit...you may
find some helpful thoughts.......
You will need a longer spedo-cable w/right angle drive, possibly a
re-calibration of the speedometer. You will also need to cut a portion away
from the tunnel of the body to accommodate the longer tranny/ovd combo.
Then fabricate or use an overdrive cover plate to cover the cut-away
section. You will need a tranny/ovd combination or at the very least an
overdrive unit, mainshaft, adapter and shift lever/knob assy. You will also
need the mounting plate for the overdrive and the new transmission mount,
shorten or get a ovd driveshaft the proper length plus you will need to
fabricate/purchase a overdrive wiring harness, and switches/relay to finish
it off. All pretty straight forward
----- Original Message -----
From: Bill Gunshannon <bill@cs.uofs.edu>
To: <spitfires@autox.team.net>
Sent: Tuesday, June 29, 1999 8:37 AM
Subject: Re: Gearbox interchangability
>
>
> I have found this od/non-od discussion to be very interesting. My
> Spitfire is of the non-od variety. Being as I plan to drive this car
> rather than just show it, Overdrive would be a big plus. So, how
> practical is it to change my Spitfire to an Overdrive model??
> What would I have to do? Obviously get an overdrive unit and a new
> propshaft. What about transmissions?? Do I have to find a transmission
> that was made for overdrive or is it likely that I can just mount the
> od unit on the one I have?? Is this likely to be so expensive as to
> be not worth the effort??
>
> bill
>
> --
> Bill Gunshannon | de-moc-ra-cy (di mok' ra see) n. Three wolves
> bill@cs.uofs.edu | and a sheep voting on what's for dinner.
> University of Scranton |
> Scranton, Pennsylvania | #include <std.disclaimer.h>
>
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