Subject	Re: Re: This is a known problem with the "30" valves - has been
Posted by	aliaZ on August 06, 2011 at 11:29 AM
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In Reply To	Re: This is a known problem with the "30" valves - has been posted by Tech@EPR on August 06, 2011 at 11:27 AM
Message	:I've seen OS SS valves do the same thing and the culprit was inadequate valve spring pressure at both seat and open. Yes, the early ferrea valves had the same issue, but it is because they were using the wrong alloy. They made a design change and the problem went away
Follow Ups	soft valves - aliaZ 10:57:27 08/06/11 Re: soft valves - Tech@EPR 11:08:59 08/06/11 This is a known problem with the "30" valves - has been - Ash's Z 11:16:37 08/06/11 Re: This is a known problem with the "30" valves - has been - Tech@EPR 11:27:40 08/06/11 Re: Re: This is a known problem with the "30" valves - has been - aliaZ 11:29:54 08/06/11 Re: Re: Re: This is a known problem with the "30" valves - has been - Tech@EPR 11:37:02 08/06/11 I'm going to install a set of low mileage heads that I had - aliaZ 15:13:54 08/06/11 Re: I'm going to install a set of low mileage heads that I had - Tech@EPR 17:43:51 08/06/11 *cough cough* (n/m) - Ash's Z 12:00:41 08/06/11 the motor is completely stock - aliaZ 11:27:44 08/06/11 Ironically, I had the "solf valves" hardness tested a long - Ash's Z 11:15:10 08/06/11 yep, you're correct - aliaZ 11:26:23 08/06/11 So is the problem actually with the head? I'm confused. (n/m) - Stadsport (PHX) 14:30:36 08/06/11 no it is a valve problem (n/m) - aliaZ 14:59:23 08/06/11 Typical "30" intake valve. - Russell@Z1 13:02:58 08/06/11 Not really a soft valve - toykoz32 13:47:16 08/06/11 correct - aliaZ 14:58:14 08/06/11 Good write-up - OverZealous (CT) 20:03:37 08/06/11 My 90 had them. I came across it a few years ago. (n/m) - ELDIABLO 10:05:18 08/07/11
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