[TR] triumph transmissions

[Frank Fisher]

hummmm
i guess i need to find an old TR3 trany locally and fall back to first principles.
i love a good engineering puzzle



      From: ptegler <ptegler at verizon.net>
 To: Frank Fisher <yellowtr3 at yahoo.com>; Triumphs List <triumphs at autox.team.net> 
 Sent: Monday, July 18, 2016 7:56 PM
 Subject: Re: [TR] triumph transmissions
   
 well not quite..... the back plates are different between the GT6 and TR6 (bolt circles to match the bell housing and different starter motor position/location)  The TR6 bell housing is deeper than a GT6 as well to clear the clutch / throw out arm/ throw out bearing assy differences.  I believe also the crank nose of the TR6 protrudes a bit more than a GT6 crank (to match the flywheel depth/offset) ptegler
  
 On 7/18/2016 1:54 PM, Frank Fisher wrote:
  
  im about to embark on building a 5 speed toyota transmission for a friend.  its for his triumph GT6. 
  so, i want to be sure i get the correct or near correct bell housing. its all about the bell housing and nothing more. 
  a TR3 transmission will fit a TR4. a tr4 transmission will fit a TR6 according to recent posts. 
  a GT6 motor is the same block as a TR6 just smaller pistons and stroke to make it a 2000cc..?????? 
  
  
  so i am assuming that a bell-housing from a TR will mount to a GT6 motor. 
  
  i can engineer all other parts, flywheel, clutch, throw out bearings and forks etc. 
  am i correct in the statements i made above? 
  thanks 
  Frank 
  
  
  
   
  
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