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Home >> Chrysler >> 1992 >> Imperial >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.3L V6 - VIN [R] & 3.8L V6 - VIN [L] >> Overhaul >> Cylinder Block Assembly >> Fitting Pistons

Fitting Pistons

  1. To determine if piston-to-cylinder clearance is within specification, piston skirt diameter should be measured 1.65" (41.9 mm) on 3.3L or 1.42" (36 mm) on 3.8L from top of piston at 90 degree angle to piston pin. Piston diameter must be within specification. See PISTONS, PINS & RINGS SPECIFICATIONS  table under ENGINE SPECIFICATIONS.
    NOTE: Piston diameter should be measured at normal room temperature of 70°F (21°C).
  2. Cylinder bore measurements should be taken at .47" (11.9 mm) below top surface of cylinder bore, middle of bore and .47" (11.9 mm) from bottom of cylinder bore.
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