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 2.2433-2.2441
Main Bearing Out-Of-Round 0.0006
Main Bearing Taper Limit 0.0006 per inch
Main Bearing Journal Runout 0.002 Max.
Main Bearing Surface Finish (RMS) 12
Main Bearing Runout Service Limit 0.005
Thrust Bearing Journal Length 1.039-1.041
Connecting Rod Journal Diameter 2.1252-2.1260
Connecting Rod Journal Out-Of-Round 0.0006
Connecting Rod Journal Taper Limit 0.0006 per inch
Connecting Rod Journal Surface Finish (RMS) 12 Max.
Main Bearing Thrust Face Surface Finish 2O Max.
Main Bearing Runout (T.I.R.) 0.001 Max.
Crankshaft Free End Play 0.016-0.0126
Crankshaft Free End Play Service Limit 0.012
Connecting Rod Bearings
Desired Clearance to Crankshaft 0.0003-0.0024
Allowable Clearance to Crankshaft 0.0005-0.0022
Connecting Rod Bearing Wall Thickness (Std.) Red 0.0548-0.0552
Connecting Rod Bearing Wall Thickness (Std.) Blue 0.0552-0.0556
Main Bearing Desired Clearance to Crankshaft 0.0008-0.0015
Main Bearing Allowable Clearance to Crankshaft 0.0005-0.0019
Main Bearing Wall Thickness (Std.) Red 0.0707-0.0710
Main Bearing Wall Thickness (Std.) Blue 0.0711-0.0714