Volvo RWD 120-130 Forum

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3-angle grind? 120-130

A three angle grind is simply used to establish the correct valve seat width and contact point on the valve. If the inserts are the perfect diameter, a single 45 may be all that is required, otherwise the machinist will use a 30 and a 60 to get the contact point and width correct on the valve face.






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New Recession!! [120-130]
posted by  RepairmanJackal subscriber  on Wed Mar 19 12:01 CST 2008 >


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