Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One CYL
Right Bank	15.5	10.7	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Left Bank	12.9	8.9	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Both Banks	21.3	14.7	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cylinders
Right Bank	15.7	11.2	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Left Bank	12.7	9.4	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Both Banks	25.4	17.5	A	Includes: R&R Cylinder Heads & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Note
To Renew Main Bearings, Add	1.7	0.0	A
To Renew 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 Grind Valves, Add	3.8	2.7	A
With Heavy Duty Cooling, Add
Right Bank	0.9	0.6	A
Left Bank	0.5	0.3	A
Both Banks	0.9	0.6	A
To Renew Crankshaft, Add	5.8	0.0	A
To Renew Oil Pump, Add	1.0	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Timing Chain, Add	2.2	0.0	A
To Perform Tune-Up, Add	0.8	0.0	A