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R. Thorne · 09-10-2016, 02:11 PM

That 1 degree refers to the valve inclination angle (I.e. the angle of the valve stem in the guide), not the valve seat angle. Any valve job is permitted as of (I think) 2009 in stock eliminator. Ron.

09-10-2016, 02:11 PM	#5
R. Thorne Member Join Date: May 2009 Posts: 183 Likes: 73 Liked 101 Times in 34 Posts	Re: 1971 Buick 455 GS F/SA G/SA Build That 1 degree refers to the valve inclination angle (I.e. the angle of the valve stem in the guide), not the valve seat angle. Any valve job is permitted as of (I think) 2009 in stock eliminator. Ron.