David Vizard's PowerTec 10 EP 20 Power enhancing valve pockets

David Vizard's PowerTec 10 EP 21 302 SBF cylinder head dyno tests

David Vizard's PowerTec 10 EP 12 Part 1 Checking Bearing Clearance. To Plastigage or Not.

David Vizard's PowerTec 10 EP 28 The ultimate youtube head porting video

Final part (#3) of the super porting Vortec heads video.

David Vizard's PowerTec 10 EP 24 The 100 hp small Block camshaft , myth, magic or hi-tech?

Full Restoration JAWA Motorcycle 1960s - Old Abandoned Treasure | One YEAR Incredible Transformation

Everything You Don't Know About 2 Stroke Engines 🤯

Mopar 340 z head with an hour porting vs. stock flows and air speeds.

David Vizard's PowerTec 10 EP 38 Big Power port filling moves

Here's how to fix a not so visible power pirate

David Vizard's PowerTec 10 EP 12 Pt 3 Professional Accuracy Bearing Clearances To Plastigage or Not

David Vizard's PowerTec 10 EP 30 Lose mass - gain speed

COMP Cams How to Set a Valve Lash

Cut 50% weight from valve, spring & retainer.

Flowbench Testing using David Vizard's IOP program

Carburetor Confusion! What's the Best Setup? | Engine Masters | MotorTrend

Big hidden HP - from anti-reversion mods

PowerTec 10 EP 9 Porting the WORLDS BEST? BBC Iron Heads

Simple SB Ford chamber mods for 20 extra HP

David Vizard, iop program, Mission Impossible project, Dodge 302 heads, Finned port vs. Quicky port