nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Mechanical Specifications|Page 2983 > < Valve Seat|Specifications
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Valve Spring: Mechanical Specifications

Valve Spring 

Free height standard

Intake (blue)  ..................................................................................................................................................  44.84 - 45.34 mm (1.7654 - 1.7850 in.)
Exhaust (yellow)  ...........................................................................................................................................  45.28 - 45.78 mm (1.7827 - 1.8024 in.)

Out-of-square  .....................................................................................................................................................................................  1.9 mm (0.0748 in.)
Installation height

Intake (blue) and Exhaust (yellow)  ............................................................................................................................................  35.30 mm (1.390 in.)

Height during valve open 

Intake (blue)  ............................................................................................................................................................................  24.94 mm (0.9819 in.)
Exhaust (yellow)  ......................................................................................................................................................................  26.39 mm (1.0390 in.)

Mechanical Specifications|Page 2983 > < Valve Seat|Specifications