740 L4-2320cc 2.3L DOHC B234F (Can) (1992)
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Piston Ring: Specifications
Side Clearance
Upper Compression Ring
0.060-0.092 mm
In piston groove, measured with ring on piston.
Lower Compression Ring 0.040-0.072 mm
Oil Scraper Ring
0.030-0.065 mm
End Gap
Upper Compression Ring
0.30-0.55 mm
Measure ring gap 15 mm (0.6 in) from lower edge of
cylinder.
Lower Compression Ring 0.30-0.55 mm
Oil Scraper Ring
0.30-0.55 mm
Piston Ring Axial Clearance