WORKHORSE CUSTOM CHASSIS
Service Manual
W SeriesWCC
SECTION
6.2
PAGE
11
Engine Mechanical
W Series Chassis
TOC
© 2006 WorkhorseCustom Chassis — All Rights Reserved
• Oil Capacity - Without Filter 5.7L 6.0 Qts
• Oil Capacity - With Filter 6.15L 6.5 Qts
• Oil Pressure - Minimum 34 kPa @ 1,000 RPM 5 psi @ 1,000 RPM
• Oil Pressure - Minimum 69 kPa @ 2,000 RPM 10 psi @ 2,000 RPM
Piston Rings
Piston Ring End Gap
• First Compression Ring - Production 0.3-0.45 mm 0.012-0.018 in
• First Compression Ring - Service 0.45-0.675 mm 0.018-0.027 in
• Second Compression Ring - Production 0.45-0.65 mm 0.017-0.025 in
• Second Compression Ring - Service 0.675-0.975 mm 0.026-0.039 in
• Oil Control Ring - Production 0.249-0.759 mm 0.0098-0.0299 in
• Oil Control Ring - Service 0.373-1.138 mm 0.015-0.045 in
Piston Ring-to-Groove Clearance
• First Compression Ring 0.031-0.074 mm 0.0012-0.0029 in
• Second Compression Ring 0.031-0.074 mm 0.0012-0.0029 in
• Oil Control Ring 0.051-0.203 mm 0.002-0.008 in
Piston and Pins
Piston
• Piston Diameter Not Measurable Not Measurable
• Piston-to-Bore Clearance Interference Fit Interference Fit
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General