928 S V8-4957cc 5.0L (1985)
Thrust bearing 3 (modification 1)
The diameter of the axial bearing surfaces on thrust bearing 3, Part No. 928.101.141.00, was changed from 90 mm to 97 mm.
The new thrust bearing also made it necessary to change crankcase and crankshaft in the area of bearing No. 3
The diameter of the cut on bearing seat No. 3
in the upper and lower sections of the crankcase was changed from 93 mm to 100 mm.
Crankshaft
The diameter of lateral bearing surfaces at bearing No. 3 was changed from 90 mm to 97 mm.
The following additional changes were also made to the No. 3 thrust bearing, beginning with engine number: