Aerostar 2WD V6-183 3.0L (1991)
Connecting Rod Bearing: Specifications
Connecting Rod Journal Diameter ......................................................................................................................... 53.983-54.003 mm (2.1253-2.1261 in.)
Connecting Rod Journal Out-of-Round Limit ................................................................................................................. 0.006 mm (0.0003 in.) Maximum
Connecting Rod Journal Out-of-Round Limit .................................................................................................................... 0.015 mm (0.0006 in.) TOTAL
Taper Limit ......................................................................................................................................................... 0.008 mm per 25 mm (0.0003 in. per in.)
Surface Limit (RMS) ...................................................................................................................................................... 0.25 micrometers (10.0 micro in.)
Connecting Rod Bearings
Clearance to Crankshaft Desired ........................................................................................................................ 0.025-0.035 mm (0.001-0.0014 in.)
Clearance to Crankshaft Allowable ................................................................................................................ 0.020-0.066 mm (0.00086-0.0027 in.)
Connecting Rod Bearing Wall Thickness (Std.) ........................................................................................................ 1.557-1.570 mm (0.0612-0.0618 in.)
CONNECTING ROD
Piston Pin Bore Diameter ............................................................................................................................ 23.105-23.145 mm (0.9096-0.9112 in.)
Crankshaft Bearing Bore Diameter ...................................................................................................................... 57.15-57.17 mm (2.250-2.251 in.)
Length (Center-to-Center) ................................................................................................................................. 140.46-140.54 mm (5.530-5533 in.)
ALIGNMENT (BORE-TO-BORE MAXIMUM DIFFERENCE)
Twist ........................................................................................................................................................................ 0.075 per 25 mm (0.003 per in.)
Bend ........................................................................................................................................................................ 0.04 per 25 mm (0.0016 per in.)
SIDE CLEARANCE (ASSEMBLED TO CRANK)
Standard ................................................................................................................................................................... 0.13-0.33 mm (0.006-0.014 in.)
Service Limit ............................................................................................................................................ 0.36 mm Maximum (0.014 in. Maximum)
