Operation CHARM: Car repair manuals for everyone.

General Specifications

Main Bearing Journal Diameter 1, 2, 3 2.5190-2.5198 Inch (in)
Out-of-Round Limit Max in 45 Degrees 0.0003 Inch (in)
Total 0.006 Inch (in)
Taper Limit 0.0003 Inch (in)
Per 25 mm (1 inch)
Journal Runout Limit 0.002 Inch (in)
Runout of Adjacent Journals to each other.
Surface Finish (RMS) 11.8 Micro-Inches (micro-in)
Thrust Bearing Journal Length 1.703-1.722 Inch (in)
Connecting Rod Journal Diameter 2.3103-2.3111 Inch (in)
Out-of-Round Limit Max. in 45 degrees 0.0003 Inch (in)
Total 0.0006 Inch (in)
Taper Limit 0.0003 Inch (in)
per 25 mm (1 inch)
Surface Limit (RMS) 11.8 Micro-Inches (micro-in)
Main Bearing Thrust Face Surface Finish (RMS) Front 0.354 Micro-Inches (micro-in)
Rear 0.236 Micro-Inches (micro-in)
Runout Limit 0.001 Inch (in)
Main Bearings - Clearance to Crankshaft Desired 0.001-0.0014 Inch (in)
Allowable 0.0005-0.0023 Inch (in)
Bearing Wall Thickness 0.0959-0.0962 Inch (in)
Crankshaft End Play 0.004-0.008 Inch (in)