XC70 L5-2.5L Turbo VIN 59 B5254T2 (2003)
Valve: Specifications
Valves
Valve Crown Diameter (A)
Inlet................................................................................................................................................................................................................31.00 ± 0.15 mm
Exhaust...........................................................................................................................................................................................................27.00 ± 0.15 mm
Valve Stem Diameter (B)
Inlet (early versions)..................................................................................................................................................................................6.970 +0/-0.015mm
Inlet (late versions)....................................................................................................................................................................................5.970 +0/-0.015mm
Valve Stem Diameter (B1/B2)
Exhaust (early versions)
H1 = 22.7 mm
B1 = 6,962 ± 0.007 mm
H2 = 65.1 mm
B2 = 6,954 ± 0.007 mm
Exhaust (late versions)
H1 = 22.7 mm
B1 = 5,962 ± 0.007 mm
H2 = 65.1 mm
B2 = 5954 ± 0.007 mm
Total Valve Length (C)
Inlet..............................................................................................................................................................................................................102.00 ± 0.07 mm
Exhaust.........................................................................................................................................................................................................101.05 ± 0.07 mm
Disc Edge Height (D)
Inlet and exhaust.........................................................................................................................................................................................................1.50 mm
Minimum height after grinding...................................................................................................................................................................................1.20 mm
Valve Angle
Inlet and exhaust.....................................................................................................................................................................................................44.5 degree
Valve Stem Vertical Position