Final part (#3) of the super porting Vortec heads video.
19:26
David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads
41:12
Porting SB Chevy VORTEC heads for real pro results
29:48
2.3 Mazda 4 valve head ported with great improvements
15:51
Finish Porting LS3 Heads How To
21:46
David Vizard, Unity Motorsport, Mission Impossible 318 project. How I texture an intake valve
21:18
Porting How-To: Nissan KA24DE full port!
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.
27:37