WORKHORSE CUSTOM CHASSIS
Service Manual
W SeriesWCC
SECTION
6.2
PAGE
13
Engine Mechanical
W Series Chassis
TOC
© 2006 WorkhorseCustom Chassis — All Rights Reserved
• Valve Stem Diameter - Exhaust 9.431-9.449 mm 0.3713-0.372 in
• Valve Stem Diameter - Intake 9.436-9.454 mm 0.3715-0.3722 in
• Valve Stem-to-Guide Clearance - Exhaust - Production 0.03-0.079 mm 0.0012-0.0031 in
• Valve Stem-to-Guide Clearance - Intake - Production 0.025-0.074 mm 0.001-0.0029 in
• Valve Stem-to-Guide Clearance - Exhaust - Service 0.03-0.104 mm 0.0012-0.0041 in
• Valve Stem-to-Guide Clearance - Intake - Service 0.025-0.099 mm 0.001-0.0039 in
Rocker Arms
• Valve Rocker Arm Ratio 1.7:1
Valve Springs
• Valve Spring Free Length 56.35 mm 2.218 in
• Valve Spring Installed Height 45.92-46.69 mm 1.808-1.838 in
• Valve Spring Load - Closed 381-419 N at 45.92 mm 86-94 lb at 1.808 in
• Va lve Sp r in g L o ad - O p e n 9 6 4 -10 5 6 N at
33.99 mm
216 - 23 6 lb a t
1.338 in
•
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