Ford 2003 Mustang Workshop Manual page 1097

13. Install the main bearing caps. Tighten the bolts in two stages:
Stage 1: Tighten to 50 Nm (37 lb-ft).
Stage 2: Rotate an additional 120 degrees.
14. Compress the piston rings.
15. CAUTION: Inspect the piston clearance. For additional information, refer to
303-00 .
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