David Vizard - Race Auto Tech - COLD FUSION POWER FOR YOUR SMALL BLOCK CHEVY ? Not quite but - BUT it is 'cold' power non-the-less. I was going to save the
![David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads - YouTube David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads - YouTube](https://i.ytimg.com/vi/E2l72kGYnpg/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AHUBoAC4AOKAgwIABABGGUgXShXMA8=&rs=AOn4CLD-MNnsEkCjYAUvHyRk4ppSZFI1eg)
David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads - YouTube
![David Vizard and Stan Weiss'' - Programs designed to Help Cylinder Head Optimization and Cam Selection David Vizard and Stan Weiss'' - Programs designed to Help Cylinder Head Optimization and Cam Selection](http://www.magneticlynx.com/DV/IOP_Opening_Page.gif)