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Home >> Buick >> 1997 >> Park Avenue Ultra >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 3.8L V6 - VINS [K,1] >> Engine Specifications >> Pistons, Pins & Rings

Pistons, Pins & Rings

PISTONS, PINS & RINGS

Application In. (mm)
Pistons
Clearance (1) .0004-.0020 (.010-.051)
Pins
Diameter .8659-.8661 (21.995-22.000)
Piston Fit .00008-.00051 (.0020-.0130)
Rod Fit .00026-.00085 (.0066-.0217)
Rings
No. 1
End Gap .012-.022 (.31-.56)
Side Clearance .0013-.0031 (.033-.079)
No. 2
End Gap .030-.040 (.76-1.02)
Side Clearance .0013-.0031 (.033-.079)
No. 3 (Oil)
End Gap .010-.030 (.25-.76)
Side Clearance .0011-.0081 (.023-.201)
(1) Measure 1.5" (39 mm) form top of engine block.