Ford 2003 Mustang Workshop Manual page 1796

Stage 4: tighten an additional 90 degrees.
11. Install and tighten the cross-mounted bolts in two stages.
Stage 1: tighten to 40 Nm (30 lb-ft).
Stage 2: tighten an additional 90 degrees.
12. Check the crankshaft end play. For additional information, refer to Section 303-00 .