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Home >> Geo >> 1993 >> Storm Base, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL - VIN [6] & 1.8L 4-CYL - VIN [8] >> Engine Specifications >> Pistons, Pins & Rings Specifications

Pistons, Pins & Rings Specifications

PISTONS, PINS & RINGS

Application In. (mm)
Piston
Clearance
1.6L .0012-.0017 (.030-.044)
1.8L .002-.003 (.05-.07)
Diameter (1)
1.6L
Id Mark "A" 3.1481-3.1484 (79.963-79.970)
Id Mark "B" 3.1484-3.1487 (79.971-79.977)
Id Mark "C" 3.1488-3.1492 (79.980-79.989)
1.8L
Id Mark "A" 3.1473-3.1477 (79.941-79.951)
Id Mark "B" 3.1477-3.1481 (79.951-79.962)
Id Mark "C" 3.1481-3.1485 (79.962-79.972)
Pins
Diameter
1.6L .7094-.7095 (17.998-18.000)
1.8L
Standard .7871-.7872 (19.992-19.995)
Minimum .7862 (19.970)
Rod Fit .00079-.00614 (.0201-.0410)
Rings
No. 1
End Gap
Standard .011-.016 (.28-.41)
Maximum .059 (1.5)
Side Clearance
Standard .0018-.0031 (.045-.080)
Maximum .0059 (.15)
No. 2
End Gap
Standard .018-.024 (.46-.61)
Maximum .059 (1.5)
Side Clearance
Standard .0008-.0024 (.020-.061)
Maximum .0059 (.15)
No. 3 (Oil)
End Gap
Standard .004-.024 (.10-.61)
Maximum .0059 (.15)
Side Clearance .004-.024 (.10-.61)
(1) Piston diameter is determined by piston identification mark on top of piston. See Figure .