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Home >> Porsche >> 1989 >> 944 L4-2681cc 2.7L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston Ring, Engine
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Piston Ring, Engine

Piston ring side clearance
Groove 1 0.05 - 0.082 mm (0.002 - 0.003 in)
Groove 2 Mahle 0.04 - 0.072 mm (0.0016 - 0.0028 in)
Groove 2 KS 0.05 - 0.082 mm (0.002 - 0.003 in)
Groove 3 0.023 - 0.137 mm (0.0009 - 0.005 in)

Piston ring End gap
Groove 1 0.20 - 0.45 mm (0.008 - 0.018 in)
Groove 2 0.20 - 0.45 mm (0.008 - 0.018 in)
Groove 3 0.38 - 1.40 mm (0.015 - 0.055 in)