Specifications - Ford LRG-423 Service Manual

02-68
Engine Service, 2.3L
02-68
SPECIFICATIONS
GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS (Cont' d)
Item Specification
Displacement 2.3L (140 Cubic Inches)
Number of Cylinders 4
Bore and Stroke 3.780 x 3.126
Firing Order 1-3-4-2
Oil Pressure (Hot @ 2000 rpm) 40-60
Drive Belt Tension Automatic
Combustion Chamber Volume (cc)
55.5-58.5
Valve Guide Bore Diameter 0.3433-0.3443
Valve Seats
Width - Intake 0.068-0.088
Width - Exhaust .070-0.90
Angle 45"
Runout Limit (T.I.R. Max) 0.0020
Valve Arrangement
E-I-E-I-E-I-E-I
(Front to Rear)
Valve Lash Adjuster Bore Diameter
0.8430-0.8449
Valve Stem to Guide Clearance
Intake
0.001 O-0.0027
Exhaust 0.0015-0.0032
Service Clearance Limit 0.0055 Max.
Valve Head Diameter
Intake
1.723-1.747
Exhaust
1.49-1.51
Valve Face Runout Limit
0.002 Max.
Valve Face Angle Limit 44"
Valve Stem Diameter (Std.)
Intake
.2746-.2754
Exhaust
.2736-.2744
(0.015 Oversize)
Intake .2896-.2904
Exhaust
.2886-.2894
(0.030 Oversize)
Intake .3046-.3054
Exhaust
.3036-.3044
Valve Springs
Compression Pressure
(Lb. @ Spec. Length)
Intake and Exhaust
57-63 @ 1.56
(Installed)
Intake and Exhaust
(Valve Open) 118-132 @ 1.16
(Valve Closed)
57-63 @ 1.56
Free Length (Approximate) 2.02
Assembled Height 1.54-1.58
Service Limit 5% Pressure Loss @
Specified Length
Out-of-Square Service Limit 5/64 (0.078)
Rocker Arm (Cam Follower)
Ratio I .86:l
Item
I
Specification
I
Valve Tappet, Lifter or Adjuster
Diameter (Standard)
Clearance-to-Bore
Service Limit
Hydraulic Leak-Down Rate (1)
Collapsed Tappet Gap
Allowable
I
Desired
0.8422-0.8427
0.0007-0.0027
0.005 Max.
2-8 Seconds
0.035-0.055 @I Cam
0.040-0.050 @ Cam
CAMSHAFT SPECIFICATIONS
Item
Lobe Lift
Intake
Exhaust
Theoretical Valve Lift Zero Lash
Intake
Exhaust
End Play
Service Limit
Journal-to-Bearing Clearance
Service Limit
Journal Diameter
No. 1
No. 2
No. 3
No. 4
Runout Limit
Out-of-Round Limit
Front Bearing Location (2)
Specification
0.2163
0.2163
0.402
0.402
0.001-0.007
0.009
0.001-0.003
0.006
1.7713-l .7720
1.7713-l .7720
1.7713-1.7720
1.7713-I .7720
0.005 Max. T.I.R.
0.005 T.I.R. Max.
0.000-0.010
CYLINDER BLOCK SPECIFICATIONS
Item
Head Gasket
Surface Flatness
Head Gasket Surface
Finish (RMS)
Cylinder Bore Diameter (New)
Cylinder Bore Diameter -
Service Limits (17)
Surface Finish (CLA)
Out-of-Round Limit
Out-of-Round Service Limit
Taper Service Limit
Main Bearing Bore Diameter
Specification
0.003 in any 6 In. -
0.006 overall
60-l 50
3.7795-3.7801
3.7793-3.7813
18-38
0.0015
0.005
0.010
2.3971-2.3979