Bigger Valves in Vortec Heads *Flow Data!* Share: Download MP3 Similar Tracks Vortec's - How to Kill Flow and How to Increase it! Vortec Head Exhaust Flow CUTTER'S PERFORMANCE Vortec Head Basic Porting! Made Easy with Flow Bench Results! CUTTER'S PERFORMANCE Testing Stock Open Chamber SBC Heads Eric Weingartner Do Different Valves Effect Flow Undercut vs Straight Stem, Back Cut Vs No Back Cut Eric Weingartner Porting SB Chevy VORTEC heads for real pro results David Vizard Reviewing Some Ported Vortec SBC Heads Eric Weingartner Screw-in Rocker studs! Vortec Heads *Part #'s in description* CUTTER'S PERFORMANCE Why Singapore's Top Politicians Were Seen With Money Launderer World Know More 5 golden porting rules - #1 David Vizard How Much Lift Can a Stock Vortec Really Take? Plus .500 Lift Cheaply (Stock Guides) CUTTER'S PERFORMANCE The Shocking Truth Behind Chevy’s Banned 302 V8 American Muscle 1 Piece vs 2 Piece vs Vortec Blocks? SBC CUTTER'S PERFORMANCE Exhaust port information. It's really important. Eric Weingartner 350 SBC Fast Burn Head Flow Tests How a flow bench works and HP Secrets with Bill Little Gold's Garage 5 Detroit Diesels That Ruled the Roads… But at What Cost? Vintage American Machines Final part (#3) of the super porting Vortec heads video. David Vizard 454 Chevy Big Valve Upgrade!! Myvintageiron7512 Under Cut Stems VS Back Cuts (Flow Bench Test) Vortec Heads CUTTER'S PERFORMANCE JUNKYARD SBC HEAD TEST-VORTEC FTW! Richard Holdener Summit Cast Iron Vortec Head Review Eric Weingartner