Head identity

[thelynx]

Are there codes on the heads(willy and valver) to identify as to what it is? If so what are they?

Cheers

[number1]

measure the inlet valves, 30.7mm is the valver one's think williams ones are 31.2??? im sure someone will correct me

Dave

[MAXIBOY]

1.8 are 30mm inlet

2.0 are 32mm inlet

both are 28mm exhaust.

[number1]

im sure the inlets are 30.7... not that .7mm would make a difference ill find one, got 3 valver cylinder heads here lol

Dave

[number1]

Just found a valve, measured across the face of the valve its 30.7 mm
Guessing the seat outer diameter is 30mm
Thats a 1.8 16v head btw

[thelynx]

Been informed that valvers are 30mm and willy is 32mm...