Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One CYL
Right Bank	16.7	11.9	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Left Bank	16.7	11.9	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	18.8	13.6	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
All Cyls
Right Bank	19.7	14.3	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Left Bank	19.7	14.3	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	24.8	18.4	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
NOTE
With AC, Add
Right	0.7	0.6	A
Left	0.7	0.6	A
Both	0.8	0.7	A
With Cruise Control, Add	0.2	0.1	A
With Oil Cooler, Add	0.4	0.2	A
Bearings, Add
Each	0.1	0.0	A
To Grind Valves, Add
Both Banks	3.4	2.5	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 Spark Plugs, Add	0.7	0.0	A