David Vizard's PowerTec 10 EP 13 Part 2 Super Porting Vortec Exhaust and all other 23 SBC heads Published 2021-06-02 Download video MP4 360p Recommendations 1:01:11 David Vizard's PowerTec 10 EP 28 The ultimate youtube head porting video 20:02 David Vizard's PowerTec 10 EP 13 Part 1 Super Porting Vortec Exhaust and all other 23 SBC heads 14:19 Exhaust porting 33:32 Spark tech for power and spark tech BS! 2:03:11 Tuning a NA engine by David Vizard (focus on BMC A-series) 25:08 PowerTec 10 EP 11Hi-Torque Tunnel-Ram Mods 23:11 David Vizard's PowerTec 10 EP 48 How to deprive you opposition of horsepower 20:00 Modification and replacement of the beryllium valve seat - Honda CRF 250 12:20 Any Engine + Any Transmission Part 2! 26:57 Vortec Head Basic Porting! Made Easy with Flow Bench Results! 31:14 POWER TEC 10 ep 4 "New VALVE SPRING TEC leaked" no longer exclusive to top race engine builders 28:24 What Edelbrock Performer RPM heads can really do! 23:58 2 stroke port theory. How does blowdown effect the intake?? 37:01 Over the shoulder view of porting a Harley Davidson Twin-Cam cylinder head 21:20 The Ultimate Vacuum Advance Video Part 1 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. 22:46 David Vizard's PowerTec 10 EP 38 Big Power port filling moves 26:33 Rarely discussed power producing Ignition tech. 27:24 David Vizard's PowerTec 10 EP 45 Crank Journal Polish = + 20 HP? Similar videos 24:36 Super porting GM Vortec exhaust ports 41:12 Porting SB Chevy VORTEC heads for real pro results 22:04 Five Golden Porting rules - Rule #1 Part 2 23:02 Port fill to find hidden power 30:01 Edelbrock Performer RPM heads - let's see if they are any good??? 19:09 David Vizard's PowerTec 10 EP 12 Part 1 Checking Bearing Clearance. To Plastigage or Not. 40:22 Power Tec 10 EP5 David Vizard's Vortec cylinder head porting, 38:30 PowerTec 10 EP 9 Porting the WORLDS BEST? BBC Iron Heads 05:47 PowerTec 10 rebooted 26:04 Super big torque 743 hp SB Chevy build. 14:24 5 golden rules for Pro grade porting. What are they? 08:06 David Vizard's PowerTec 10 EP 16 Engine Masters/UTG debate with dyno results 22:44 Cam profile dynamics Vs event BS bashing! 28:29 David Vizard's PowerTec 10 EP 50 (pt1) Low buck RACE PROVEN POWER 543 HP restrictor plate 383 SBC 45:32 PowerTec 10 EP 7 Porting with Nitrous and Power Boosting Supercharger Head (edited & reposted) 20:21 OE SBC 4 brl intake mods for a whopping 26 HP increase! More results