Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
Single Timing Chain
M3
All Cylinders	37.2	28.0	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
NOTE
With Sequential Shift Trans, Add	2.6	2.3	A
To R&R Connecting Rod Bearings, Add
Each	0.1	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	0.7	0.0	A
To Grind Valves, Add	6.8	0.0	A
To R&R Spark Plugs, Add	0.5	0.0	A
Dual Timing Chain
Piston Rings
325
2WD
Convertible
Manual Trans	27.6	20.0	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Auto Trans	30.1	21.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Coupe, Sedan
Manual Trans	27.6	19.9	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Auto Trans	30.1	21.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
330
2WD
Convertible
Manual Trans	27.6	20.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Auto Trans	30.1	21.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Coupe, Sedan
Manual Trans	27.6	19.9	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
Auto Trans	30.1	21.1	A	Includes: R&I Engine, Cylinder Head & Oil Pan, Hone Cylinder Walls & Plastigauge Bearings.
NOTE
To R&R Connecting Rod Bearings, Add
Each	0.1	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	0.7	0.0	A
To R&R Timing Chain, Add
2WD	3.9	0.0	A
To Grind Valves, Add
2WD	7.4	0.0	A
NOTE
To R&R Connecting Rod Bearings, Add
Each	0.1	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	0.7	0.0	A
To R&R Timing Chain, Add
2WD	3.9	0.0	A
To Grind Valves, Add
2WD	7.4	0.0	A