spitfires
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Re: Overdrive

To: Joe Curry <spitlist@gte.net>
Subject: Re: Overdrive
From: Huw Upshall <hupshall@wolfenet.com>
Date: Mon, 23 Nov 1998 10:58:37 -0800 (PST)
Ok, Joe, I'm interested.

I belive I have the long spedo cable.
Where do you get (or have made) the new tranny mounts?

Can I call you later?  I also remember you saying that some wrecking yard
up on aurora had a tranny...


On Mon, 23 Nov 1998, Joe Curry wrote:

> Huw,
> Interestingly enough, I am in the process of installing an overdrive in
> Huxley (my red Mk1).
> 
> I am using a 3-rail tranny from a MkIV Spit but the later single rail
> installs with the same modifications.  Here's what is required:
> 
> 1. The OD Tranny (obviously)
> 2. A longer Speedometer cable
> 3. An angle drive for the Speedo cable (if not already on the tranny)
> 4. A different rear mount for the tranny.
> 5. A different mounting plate for the frame
> 6. The driveshaft must be shortened to take the longer unit.
> 7. A switch must be installed to control the OD. In the later Spits it
> was a lever on the steering column, but you can mount a switch almost
> anywhere.  Mine is on the shift knob.
> 8. A little wiring modification and you are in business.
> 
> As soon as I get My tranny back from Barry Nelson, you are welcome to
> follow my own installation to see what difficulties I encounter.
> 
> Regards,
> Joe
> 
> Huw Upshall wrote:
> > 
> > Hey gang.  OK. I took the transmission out of my spitfire yesterday and
> > then thought pretty hard...  I am debating on installing an overdrive
> > transmission.  This car came from the factory with a standard 4.  So, if
> > there is anybody out there that has put an overdrive into a spitfire,
> > please answer these questions:
> > 
> > Cost?
> > What needs to be modified?
> > What do you do about the relays?
> > 
> > Installation steps from experience would be very useful.  Thanks.
> 
> -- 
> "If you can't excel with talent, triumph with effort."
>   -- Dave Weinbaum in National Enquirer
> 


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