Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

General Specifications

Main Bearing Journal Diameter 2.5190-2.5198 Inch (in)
Out-of-Round Limit 0.0003 Inch (in)
Taper Limit (Total) 0.0006 Inch (in)
0.013 mm (0.0003 in) per 25 mm (1 inch)
Journal Runout Limit 0.002 Inch (in)
Surface Finish (RMS) 10.0 Micro-Inches (micro-in)
Thrust Bearing Journal Length 1.0148-1.067 Inch (in)
Connecting Rod Journal Diameter 2.1253-2.1261 Inch (in)
Out-of-Round (Max) 0.0003 Inch (in)
Out-of-Round (Total) 0.0006 Inch (in)
Taper Limit (per inch) 0.0003 Inch (in)
Surface Limit (RMS) 0.25 Micro-Meters (micro-m)
Main Bearing Thrust Face Surface Finish (RMS) 0.4 Micro-Meters (micro-m)
Runout Limit 0.001 Inch (in)
Crankshaft End Play 0.004-0.008 Inch (in)
Main Bearings Clearance to Crankshaft Desired 0.001-0.0014 Inch (in)
Allowable 0.0005-0.0023 Inch (in)
Bearing Wall Thickness 1st and 2nd 0.0962-0.0976 Inch (in)
3rd and Rear 0.0980-0.0955 Inch (in)