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.

14:42

1 Piece vs 2 Piece vs Vortec Blocks? SBC

24:36

Super porting GM Vortec exhaust ports

10:28

Summit Cast Iron Vortec Head Review

36:37

Make OVER 60 HP & lbs-ft more using stock 350 Chevy heads.

13:04

HOW TO MAKE 500+ HP WITH STOCK 706 HEADS. 706 VS 799 VS LY6 VS TFS HEAD TEST! 514 HP WITH 232 CFM!

17:59

Reviewing Some Ported Vortec SBC Heads

11:29

All 20 LS cylinder heads explained (find the best for your project).