Valve Seat — 1987 Porsche 944 L4-2479cc 2.5L Service Manual

Operation CHARM: Car repair manuals for everyone.

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Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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pro multis · About Operation CHARM

Intake Seat Width	1.7 Millimeter (mm)
Exhaust Seat Width	2.0 Millimeter (mm)
Seat Angle	45 Degrees (deg)
Outer Correction Angle	30 Degrees (deg)
Inner Correction Angle	60 Degrees (deg)