Ford LRG-423 Service Manual page 106

02-69 Engine Service, 2.3L 02-69
SPECIFICATIONS (Continued)
CRANKSHAFT, FLYWHEEL AND CONNECTING
ROD SPECIFICATIONS
Item Specification
Main Bearing Journal Diameter 2.2059/2.205 1 In.
Out-of-Round Limit 0.0006 Max.
Taper Limit 0.0006 per In.
Journal Runout Limit 0.002 Max.
Surface Finish (RMS) IO Max.
Runout Service Limit 0.005 In.
Thrust Bearing Journal
Length 1.201-I .I 99
Connecting Rod Journal
Diameter
2.0464-2.0472 In.
Out-of-Round Limit 0.0006 Max.
Taper Limit 0.0006 per Inch Max.
Surface Limit (RMS)
10 Max.
Main Bearing Thrust Face
Surface Finish (RMS) 35 Front/25 Rear (Max.)
Runout Limit
0.001 Max.
Flywheel Clutch Face
Runout Limit 0.005 In.
Flywheel Ring Gear
Lateral Runout (T.I.R.)
Standard Transmission 0.025 In.
Automatic Transmission 0.060 In.
Crankshaft Free End Play Limit 0.004-0.008 In.
Service Limit
0.012 In.
Connecting Rod Bearings
Clearance to Crankshaft
Desired 0.0008-0.0015 In.
Allowable
0.0008-0.0026 In.
Bearing Wall Thickness (Std.) (3) 0.061 g-0.0624 In.
Main Bearings
Clearance to Crankshaft
Desired
0.0008-0.0015 In.
Allowable 0.0008-0.0026 In.
Bearing Wall Thickness (Std.) (3) 0.0956-0.095 1 In.
Connecting Rod 23.124-23.144mm
Piston Pin Bore Diameter (0.9104-0.9112 In.)
Crankshaft Bearing Bore
55.170-55.190mm
Diameter (2.1720-2.1728 In.)
Out-of-Round Limit 0.0004 In.
Taper Limit
0.0004 In.
Length (Center-to-Center) 5.4558-5.4591
Alignment (Bore-to-Bore)
Max. Difference (4)
Twist 0.003
Bend
0.0015
Side Clearance
(Assembled to Crank)
Standard 0.0035-0.0115
Service Limit 0.014
PISTON AND RINGS SPECIFICATIONS
Item
Service Piston Diameter (5)
Specification
95.968-95.993mm
(3.7783-3.7792 In.)
Piston-to-Bore Clearance
(Select Fit)
New
Service Limit
Pin Bore Diameter
Ring Groove Width
Compression (Top)
0.0254-0.0508mm
(0.001 O-0.0020 In.)
0.0254-0.0762mm
(0.001 O-0.0030 in.)
23.179-23.175mm
(0.9124-0.9126 In.)
1.5182-l .5392mm
(0.0598-0.0606 In.)
Compression (Bottom) 1.5182-1.5392mm
(0.0598-0.0606 In.)
Oil
Piston Pin
3.030-3.056mm
(0.1193-0.1203 In.)
Length
Diameter
62.29-70.1 Omm
(2.728-2.760 In.)
Standard
0.001 Oversize
0.002 Oversize
Piston-to-Pin Clearance
Pin-to-Rod Clearance
23.167-23-l 70mm
(0.9121-0.9122 In.)
23.193-23.195mm
(0.9131-0.9132 In.)
23.218-23.221 mm
(0.9141-0.9142 In.)
0.0055-0.0116mm
(0.00022-0.00046 In.)
Interference Fit
Piston Rings
Ring Width
Compression (Top)
Compression (Bottom)
Side Clearance
1.46-1.490mm
(0.058-0.059 In.)
1.46-I .490mm
(0.058-0.059 In.)
Compression (Top)
Compression (Bottom)
Oil Ring
Service Limit
Ring Gap
0.041-0.084mm
(.0016-.0033 In.)
0.041-0.084mm
(.0016-.0033 In.)
Snug Fit
0.15mm (0.006 In.) Max.
Compression (Top)
Compression (Bottom)
Oil (Steel Rail)
0.20-0.41 mm
(0.008-0.016 In.
0.33-0.48mm
(0.013-0.0-l 9 In.)
0.33-0.76mm
(0.01 O-0.030 In.)