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Bub Whitaker · 12-12-2008, 03:34 PM

You can't angle mill a head enough to change the valve angle more than a degree or should I say, you can but the head wouldn't be useable... what they don't want you doin is reboreing the guides to change the angle

12-12-2008, 03:34 PM	#1
Bub Whitaker Member Join Date: Feb 2005 Location: Dayton, MD Posts: 222 Likes: 0 Liked 1 Time in 1 Post	Re: 2009 NHRA Rules You can't angle mill a head enough to change the valve angle more than a degree or should I say, you can but the head wouldn't be useable... what they don't want you doin is reboreing the guides to change the angle