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My mechanic, Keith (who works on the Lamborghinis and Mercedes 300SLs owned by the hoity toity of bainbridge island) says that he has a new tranny flush machine and he wants to give Stella (my 90 750iL) a transfusion.
This is not a power flush machine in the conventional sense, it connects to the tranny cooler line and he pushes 16 quarts into the tranny as it flushes out the old stuff - normally I have him drain 3 quarts and refill with every other oil change. You can't get the ~12 qts in the torque converter.
Any recommendations / experiences with this technique ? Should I do it ? Should he use AMSOIL synthetic fluid, or Dexron?
thanks in advance
Mark Petry
'90 750iL
Bainbridge Island, WA