Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One CYL
One Bank	15.7	10.9	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	18.8	13.7	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Each Additional	0.4	0.3	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
All Cyls
One Bank	16.4	11.5	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	20.0	14.8	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
NOTE
With Oil Cooler, Add	0.7	0.4	A
To Grind Valves, Add
One Bank	1.6	1.3	A
Both Banks	3.4	2.5	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To R&R Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.9	0.0	A
To R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To R&R Spark Plugs, Add	0.7	0.0	A