Section : General

General Stag messages

Please help rear diff compatibility

Posted By : Kevin Smith, 26-Jul-2007, 07:14pm

Can anyone tell me if a rear diff (complete axel) will fit a triumph 2000 mk2 auto 74 model without modification.

Please help rear diff compatibility

Posted By : Chris Taylor, 26-Jul-2007, 09:24pm

Physically the diff should fit, but there may be ratio issues. Is the Stag diff you are intending a 3.45:1? ISTR the 2000 autos used the 3.7:1 diff.
Please help rear diff compatibility

Posted By : Chris Taylor, 26-Jul-2007, 11:46pm

Having now looked up my Robson and Langworth book, it suggests that all Stags had the 3.7:1 diff (at least originally) which is the same ratio as 2000 saloon automatics, so it should be a straight swap.
- Please help rear diff compatibility
  
  Posted By : Mark Hammond, 26-Jul-2007, 11:50pm
  
  I always thought that 2000 automatics, and Stag automatics for that matter, were rather low geared.
  
  M.
  - Please help rear diff compatibility
    
    Posted By : Chris Taylor, 26-Jul-2007, 11:56pm
    
    The 2000 automatic was no worse than most 2000 manuals. Without overdrive all but the last ones had a pitiful 17mph/1000rpm in top. Great for acceleration out of corners without changing down, but not so good for noise, fuel economy or engine wear on the motorway.