TT Quattro Coupe V6-3.2L (CBRA) (2008)
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Refacing intake valve seat
a
Dia. 30.6 mm
b
Maximum permissible reworking dimension
c
0.9 to 1.5 mm
d
Maximum dia. 35.0 mm
r2
Radius 2.0 mm
Z
Cylinder head lower edge
alpha 45° valve seat angle
β30° upper correction angle
γ
60° lower correction angle
Refacing exhaust valve seat
a
Dia. 26.7 mm
b
Maximum permissible reworking dimension
c
1.2 to 1.7 mm
d
Maximum dia. 29.0 mm
r2
Radius 2.0 mm
Z
Cylinder head lower edge
alpha 45° valve seat angle
β30° upper correction angle
γ
60° lower correction angle
