Cully's spare Gti6 engine

[cully]

might of got a little carried away with the alloy primer

   

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Valve grinding quick how to!

1. Take the correct valve for the valve port you have stored,
NOTE: the valve seat and the head seat how the mating surfaces are rough and discoloured this is poor seating

   

2. add small amount of fine valve grinding compound to valve seat area only
NOTE: dont get this on the valve stem as it will mess up the guides

   

3. slide valve carefully into valve guide using hand tool, using palms of both hands rub the stick as if your trying to light a fire

   

3. after a short period remove valve clean surfaces to check for seating
NOTE: you are looking for the grey colour ring, all around the valve seat and the head seat

   

things to watch for

bent valve!
if you have a bent valve the head seat will cut to the gray ring, but the valve will only show part the grey ring !
you have a scrap valve, no matter how much grinding you do you probably wont recover the valve before you grind the seat too deap