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Author Topic:   dart 49cc head millimg???....billh...anyone
Dirt Maniac

Total posts: 129
posted January 25, 2005 07:49 AM  
how far can you flat mill them I have a new set of 215 (2.05 intake valves)and it looks like the top cut of the valve seat just about touches the flat head surface. can you cut into the top cut of the valve seat, if so how much

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