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Reworking exhaust valve seat > < Calculating maximum permissible reworking dimension

Octavia Mk1

Reworking inlet valve seat
   
Reworking inlet valve seat
  S15-0421
Dimension Inlet valve seat
Ø amm33,5
cmm1,5
α 45° valve seat angle
β 15° top correction angle
γ 60° bottom correction angle

The tilting of the valve seat lower edge by 30° is absolutely essential on the basis of the flow characteristics in the inlet canal.
   

Reworking exhaust valve seat > < Calculating maximum permissible reworking dimension