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Home >> Chevrolet >> 1994 >> G 30 Van V8-454 7.4L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Crankshaft, Engine >> Crankshaft Dimensions
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Crankshaft Dimensions

Engine Liter/CID 7.4L/V8-454

All specifications given in inches.

Crankshaft Journals
Main Bearing Journal Diameter 2.7482-2.7489
Connecting Rod Journal Diameter 2.1991-2.1996
Maximum Out Of Round All 0.0010
Runout Service Limit [02]
Bearing Clearance
Main Bearings [14]
Connecting Rod Bearings 0.0011-0.0029
Thrust Bearing 0.0050-0.0110
Connecting Rods
Pin Clearance [12] 0.0021-0.0031
Side Clearance 0.0130-0.0230

[02] If main journals are misaligned, crankshaft is bent & must be replaced.
[12] Interference fit.
[14] Except No. 5, 0.0017-0.0030 inch; No. 5, 0.0025-0.0038 inch.
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