Subject	Not necessarily true
Posted by	ZXoltan on July 31, 2015 at 6:13 AM
	This message has been viewed 311 times.
In Reply To	Lap valves posted by EngineerLV on July 30, 2015 at 09:05 PM
Message	If they are only very slightly bent and guides are worn then they still could fit tight against the seat. Lapping puts the pressure on the face, not on the stem. Smearing some Prussian blue and spinning them might reveal some stem warpage or it could mean an asymmetrical valve or seat angle. Take them to a machine shop and let them check everything, including the guides.
Follow Ups	I am rebuilding a set of heads for the first time and would - z32z 19:10:58 07/29/15 Depends how bent the valves are. Easier to see the bends - zxtuner161 07:52:57 07/30/15 You may be able to notice the material strain - -Grimm- 09:27:11 07/30/15 Thank you for the input. I placed each valve in a drill and - z32z 14:15:48 07/30/15 Most likely thinking of "soft valve" issue w/ 90 (n/m) - FrozTTy 10:25:46 07/30/15 Re: Most likely thinking of "soft valve" issue w/ 90 - wild_maxx 14:34:29 07/30/15 This is great info. Thanks. - z32z 15:45:10 07/30/15 Why not have the machine shop measure the valves? - zellamay 14:28:43 07/30/15 Lap valves - EngineerLV 21:05:31 07/30/15 Not necessarily true - ZXoltan 06:13:25 07/31/15
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