Diesel Data: Automotive Repair

Piston, Engine

Piston Ring Groove Depth Top Compression 0.158 - 0.163
2nd Compression 0.0166 - 0.171
Oil Control 0.150 - 0.155
Used Piston Clearance (41 mm from Top of Piston) 0.0020 - 0.0036
New Piston Clearance (41 mm from Top of Piston) 0.0004 - 0.0020