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HP HUNTER · 09-14-2016, 09:52 PM

At this point I have the intake side of my head where I want it, its time to look at the exhaust side. Intake valve size is 2.005 on 315/330 HP 455. Valve job is 30/45/60 30 degree back cut on the valve.

09-14-2016, 09:52 PM	#3
HP HUNTER Senior Member Join Date: Feb 2012 Location: Colorado Springs Colorado/Thousand Oaks Ca Posts: 656 Likes: 82 Liked 373 Times in 129 Posts	Re: 1971 Buick 455 GS F/SA G/SA Build At this point I have the intake side of my head where I want it, its time to look at the exhaust side. Intake valve size is 2.005 on 315/330 HP 455. Valve job is 30/45/60 30 degree back cut on the valve.