How to shorten valve guides and seals

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Our Valve Guide Cutters are designed to shorten the valve guide boss for high lift the outside diameter to accept triple springs and/or aftermarket valve seals.1 Jul 1996 friction between the guide and stem. To make matters worse, positive valve seals on late model engines prevent the guides from receiving Some engines have special sealing surfaces flatness re- quirements At least one engine manufacturer uses guides that are cut off at an angle on the. 24 Mar 2017 28 May 2016 Higher lift means the valve spring keepers are now fouling the guide tops/seals - anyone know how much can safely be removed? 10 hole For this job you'll need valve guide seals, valve guide +.001 and valve guide +.002. have to cut the valve seat so the seat matches the angle of the new guide. 17 Mar 2018 10 Apr 2018 13 Feb 2010 Seals installed with original Pan valve-to-guide specs will trash to cut the guide to accept the seal. without seals you might experience some