beautypg.com

Porsche 944 User Manual

Page 106

background image

15

Engine, Cylinder Head, Valve Drive

944

11864

4. Valve seat turning tool, e.g. Hunger

VDSNL

1/45 I.K.

85/151

5. After milling, grind in the valve seats

lightly

with grinding paste. Check the contact

pattern af the valve seat surface.

Valve dimensions

15/127

Valve dimensions 944 S

As from Model 87

Engine type M 44.40

Dimension

Intake

Exhaust

a

b

c

37 mm

6.97 mm

114.7 mm

45°

33 mm

6.94 mm

113.7 mm

45°

15 - 132

Checking and remachining valve seats

Printed in Germany - XVII, 1988