The Inside Angle on Valve Seats: What you need to know to ...
Aug 01, 2008· The Living Legend continues: "Many people don''t know that a level is not flat on the bottom. It has a bow in it. Most people also don''t know how to check their level. You can''t accurately level your valveandseat machine if the level you are using is off. When you set your level, make sure the little level is always to your left.
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