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Tom Turner · 05-31-2008, 11:30 PM

Gary; The new valve job rule was designed to take NHRA out of the "scrutiny" business and give the a legally defensable club with which to beat you about the head and shoulders. There is no spec for the bottom or the top cut (although the rule still states "no chamber mods" grey area?)) I think the idea is to pour enough heads to "legally prove" that someone got carried away.....so dont. I talked with Bruce Bachelder about this (at length) and he was a little hesitant to divulge when the list of volumes was going to be published; or if it was ever to be published but that is what they will use as a criterea for judgement. I know that they have been pouring and gathering data for quite some time now and the guys with "port enhancement" may be in for a surprise; time will tell.

05-31-2008, 11:30 PM	#2
Tom Turner Member Join Date: Jan 2005 Location: Lake Tapps, Washington Posts: 137 Likes: 0 Liked 0 Times in 0 Posts	Re: Need clarification on bottom cut Gary; The new valve job rule was designed to take NHRA out of the "scrutiny" business and give the a legally defensable club with which to beat you about the head and shoulders. There is no spec for the bottom or the top cut (although the rule still states "no chamber mods" grey area?)) I think the idea is to pour enough heads to "legally prove" that someone got carried away.....so dont. I talked with Bruce Bachelder about this (at length) and he was a little hesitant to divulge when the list of volumes was going to be published; or if it was ever to be published but that is what they will use as a criterea for judgement. I know that they have been pouring and gathering data for quite some time now and the guys with "port enhancement" may be in for a surprise; time will tell.