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Home >> Ford >> 1988 >> F 150 4WD Pickup V8-302 5.0L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Connecting Rod, Engine >> Measurement Specifications
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Measurement Specifications

Piston Pin Bore or Bushing (Inside Diameter) 0.9096 - 0.9112 inch
Connecting Rod Length (Center to Center) 5.0885 - 5.0915 inch
Connecting Rod Alignment Maximum Total Difference
Twist (desired) 0.024 inch
Twist (allowable) 0.023 inch
Bend [1] 0.012 inch
Connecting Rod To Crankshaft Assembled Side Clearance
Desired 0.010 - 0.020 inch
Allowable 0.023 inch
Connecting Rod Journal
Diameter 2.1228 - 2.1236 inch
Maximum out-of-round 0.0006 inch
Taper per inch maximum 0.0006 inch



[1] Pin bushing and crankshaft bore must be parallel and in the same vertical plane with specified total difference when measured at the ends of an 8-inch long bar, 4-inches on each side of rod centerline.
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