6.2L LS3 V8 · Main Bearings

Main bearing oil clearance

Specification

Production / metric 0.02 – 0.052 mm
Production / imperial 0.0008 – 0.0021 in

Measured with Plastigage with cap torqued to spec.

Limits & variants

Service limit (used parts) 0.02 – 0.065 mm 0.0008 – 0.0025 in

Sources

  • GM Service Information: Engine Mechanical Specifications (6.2L LS3), Document ID 2055077Captured 2026-05-28

Values are cited as facts. We do not reproduce the manufacturer's prose, table layout, or diagrams.