[Fot] GT6-Spitfire Transmission Conversion

[Rick Parent]

No welding is required. The GT6 input needs to be cut to the same length as the Spit. Then the splines need to be machined back to match the length of the Spit as well and you are good to go. It's really quite simple. Don't forget to use my steel/carbon synchro's for the most pleasant shifting experience. ;-)
Rick Parent
"Doing the right thing is always the right thing, regardless of consequences"
 

    On Thursday, October 12, 2023 at 06:50:51 AM MST, Barr, Scott via Fot <fot at autox.team.net> wrote:  
 
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When I had this done some years ago, I took the job to a local racer-transmission guy.  After fiddling with it a bit, he just put the Spitfire input shaft into the GT6 trans and it worked fine.  GT6 gearbox for my Spit racer, no cutting, welding, etc. required.  It worked great for a few seasons until I pulled it to install an overdrive trans.
 
  
 
Could just be luck?  I understand that there are a number of variations of gear constructions and maybe I just happened to bring him two that matched?  Who knows.  But it worked for me.
 
  
 
Scott (B.)
 
  
 
From: Fot <fot-bounces at autox.team.net> On Behalf OfRod Pierce via Fot
Sent: Thursday, October 12, 2023 7:57 AM
To: Rod Pierce via Fot <fot at autox.team.net>
Subject: [Fot] GT6-Spitfire Transmission Conversion
 
  
 
I have a GT6 transmission in my spares collection and I have heard they can be converted to run in a Spitfire.  
 
  
 
I'm interested in accomplishing this over the winter and I am looking for information/advice on the best way to do it.
 
  
 
It is my understanding that you can have the GT6 input shaft either machined to fit or you can cut the input shafts from a GT6 and a Spitfire and weld the Spitfire on the GT6 transmission.
 
  
 
Thanks
 
  
 
  
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