David Vizard's PowerTec 10 EP 28 The ultimate youtube head porting video
24:09
David Vizard's PowerTec 10 EP 29 743 HP "Out-of-Box" Speed-Shop-Parts 421 ci SBC Build
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Basics of Head Porting
1:02:46
Super detailed AFR BB Chevy 'Enforcer' head review
3:27:35
Recover Pickup Truck To Construction Site - Repair Engine Injectors | New Balcksmith Girl
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Polishing Turds Episode 8!!! Head Porting!!
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The BIGGEST MISTAKES building an Engine - With Legend Bill Little - How to make Horsepower!
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Over the shoulder view of porting a Harley Davidson Twin-Cam cylinder head
38:30