Connecting Rod Dimensions

1998 Pontiac Firebird V8-5.7L VIN GSECTION Connecting Rod Dimensions
SERVICE SPECIFICATIONS
Connecting Rod Bearing Bore:
Diameter 56.505 - 56.525 mm (2.224 - 2.225 inch)
Out Of Round (Production) 0.004 mm (0.00015 inch)
Out Of Round (Service Limit) 0.015 - 0.076 mm (0.0006 - 0.003 inch)
Connecting Rod Side Clearance 0.11 - 0.51 mm (0.00433 - 0.02 inch)

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.