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Piston & Rod Assembly

See accompanying illustrations for proper assembly of piston and rod.

Fig 1: Piston & Rod Assembly (Left Bank)
G09324152Courtesy of GENERAL MOTORS COMPANY
CRANKSHAFT MAIN & CONNECTING ROD BEARINGS

Engine MAIN BEARINGS CONNECTING ROD BEARINGS
Journal Diam. Clearance Thrust Bearing Crankshaft Endplay Journal Diam. Clearance Sideplay
350"              
  1968-72 2.9995" .0004.0015" No. 3 .003.009" 2.000" .0002.0023" .006-.014"
  1973 2.9995" .0004-.0015" No. 3 .003.009" 2.000" .0002-.0023" .006-.020"
400", 430", & 455"              
  1968-72 3.250" .0007.0018" No. 3 .003.009" 2.250" .0002-.0023" .005.012"
  1973 3.250" .0007.0018" No. 3 .003.009" 2.250" .0002.0023" .005-.019"