Rotation is clockwise when seen from the drive end.
For bench test use SAE 10W oil at 49°C (120°F):
Output … 123.0 liter/min(32.5 U.S. gpm)
(1) Clearance between the gears and the cover (new) … 0.048 to 0.089 mm (.0019 to .0035 in)
(2) Bore of the bearings in the cover and manifold (new) … 31.778 to 31.793 mm (1.2511 to 1.2517 in)
(3) Diameter of both shafts (new) … 31.737 to 31.747 mm (1.2495 to 1.2499 in)
