TT Quattro Coupe V6-3.2L (CBRA) (2008)
Reworking 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
A - 45 degree valve seat angle
B - 30 degree upper correction angle
Y - 60 degree lower correction angle
Reworking 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
A - 45 degree valve seat angle
B - 30 degree upper correction angle
Y - 60 degree lower correction angle