David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads
22:46
David Vizard's PowerTec 10 EP 38 Big Power port filling moves
15:22
Vortec's - How to Kill Flow and How to Increase it! Vortec Head Exhaust Flow
14:19
Exhaust porting
19:24
Final part (#3) of the super porting Vortec heads video.
23:15
Basics of Head Porting
27:36
David Vizard's PowerTec 10 EP 25 Vortec 5.7/350 Vs LS 706 w/o and w/mods, the best of basic mods.
23:11
David Vizard's PowerTec 10 EP 48 How to deprive you opposition of horsepower
17:59