[DeTomaso] Vibration in Longchamp

[Mikael]

This winter I replaced the engine, trans (C6 to AOD), propshaft, rear diff,
all rear ujoints and bearings. All was fine until I drove it fast as a test,
at 80-90 mph it has a nasty vibration. No vibration below that speed, all
seems fine. The vibration seems to change with load, but doesn't change if I
use 3rd gear, so don't think it's engine related.

 

Any ideas:

1.    Wheels (the easy one of course, no vibration last year with same
wheels though, and usually wheel vibrations start at 50 mph IMO)

2.    Prop shaft? (Brand new, built by people that don't do anything else in
UK)

3.    Angles? Could it be trans/rear diff angles? What's the name of the
tool that measures, inclinometer?

4.    Or?

Right now just looking for ideas. I plan European vacation including German
highways, so this has to be sorted out.

 

Mvh/Regards

Mikael

 

-------------- next part --------------
   This winter I replaced the engine, trans (C6 to AOD), propshaft, rear
   diff, all rear ujoints and bearings. All was fine until I drove it fast
   as a test, at 80-90 mph it has a nasty vibration. No vibration below
   that speed, all seems fine. The vibration seems to change with load,
   but doesn't change if I use 3rd gear, so don't think it's engine
   related.


   Any ideas:

   1.    Wheels (the easy one of course, no vibration last year with same
   wheels though, and usually wheel vibrations start at 50 mph IMO)

   2.    Prop shaft? (Brand new, built by people that don't do anything
   else in UK)

   3.    Angles? Could it be trans/rear diff angles? What's the name of
   the tool that measures, inclinometer?

   4.    Or?

   Right now just looking for ideas. I plan European vacation including
   German highways, so this has to be sorted out...


   Mvh/Regards

   Mikael