Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One CYL	8.8	6.4	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinders And Plastigage Bearings.
Each Additional	0.7	0.4	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinders And Plastigage Bearings.
All Cyls	10.8	7.6	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinders And Plastigage Bearings.
Note
With AC, Add	0.5	0.3	A
With PS, Add	0.2	0.1	A
With Cruise Control, Add	0.4	0.2	A
With Auto Trans., Add	0.7	0.4	A
To Grind Valves, Add	1.8	1.3	A