MirMarine - Exhaust Valve - procedures for Inspection and .
Feb 28, 2006 · Not sure of prices for new valves on a 9, but the last few I've did, were around 10 ea. The local Napa will grind the head seats for 3.50 ea. Seems like a good deal to me, a little over 100,new valves and 3 angle grind. By grinding valves, you'll lose a small amount of compresion as the valve sinks down.procedure how to valve grinding Mine Equipments. Chat Online. procedure how to valve grinding. Removing and grinding valves How a Car Works Repeat the grinding procedure, altering the position of the valve periodically until both the valve head flange and the valve seat have an even, matt grey .