porsche Workshop Repair Guides

Porsche Workshop Service and Repair Manuals

Engine - Valve Lifter Stroke Measurement Revision|Page 678 > < Engine - Valve Lifter Stroke Measurement Revision|Page 676
Page 1
background image

Lifter / Lash Adjuster: Specifications

Valve Lift Specifications

The Lift Must Be At Least:

Intake Rocker Arm ...........................................................................................................................................................................................  0.2 mm
Exhaust Rocker Arm ........................................................................................................................................................................................  0.6 mm

The lift Must Not Exceed:

Intake Rocker Arm .........................................................................................................................................................................................  1.85 mm
Exhaust Rocker Arm ......................................................................................................................................................................................  2.25 mm

NOTE:  Replacement valve lifters are available in 2 sizes:
-

Size 1 ..............................................................................................................................................................................................  0.5 mm shorter

-

Size 2 ..............................................................................................................................................................................................  1.0 mm shorter

Engine - Valve Lifter Stroke Measurement Revision|Page 678 > < Engine - Valve Lifter Stroke Measurement Revision|Page 676