1016 cylinder head/s – valve seats

Make

Alfa Romeo

Model

GT Factory Service Manual

Year

2003–2010

Section

10 engine › 1016 cylinder head/s – valve seats

Manufacturing data and tolerances1016 cylinder head/s – valve seats

1016 CYLINDER HEAD/S – VALVE SEATS

Angle "b" contact band with valves (-)		Validity
90˚ ± 10'		2.0 JTS
Angle "c" valve seat lower band (-)		Validity
30˚		2.0 JTS
Angle"a" valve seat upper band (-)		Validity
150˚		2.0 JTS
Contact band angle with inlet valve ()		Validity
45˚ ± 20'		1.9 JTD 16V
Outer diameter (mm)			Validity
Exhaust	Inlet
27.491 ÷ 27.512	29.489 ÷ 29.514		1.9 JTD 16V
Width "L" contact band with valves (mm)			Validity
Exhaust	Intake
1.0	0.8		2.0 JTS

Contact band angle with valves (-)		Validity
90˚ ± 20'		3.2 V6

03 General