MG MGA Twin Cam Workshop Manual page 51

Addendum:
From time to time there were additions, deletions, and
corrections to the Workshop Manual. The following notes
will detail some of these changes. Notice that when certain
Sections were added or deleted the Section numbers couild
change.
Section A.26 - last paragraph:
Issues 1 and 2 of the Manual had an error noting that crankshaft
thrust washers, should be installed with oil grooves TOWARD
the bearing. This copy (Issue 3) has corrected this error, noting
the thrust washers should be installed with oil grooves AWAY
from the bearing (toward the rotating flange of the crankshaft).
Refer to Confidential Service Memrandum MG-416.
Section A.29 - from prior issues:
This section was printed in prior issues but was not included
in Issue 3:
Section A.44 - from prior issues:
This section was printed in prior issues but was not included
in Issue 3: