% Golden porting rules - part 4 of rule #1

In this, episode 68 of PowerTec 10, DV imparts the sort of porting tech you will need if you want to graduate to the highest aspirations in the world of cylinder head technology. Best yet it is all laid out in DV's usual easy to understand manner. Pro or no you will learn at least 5 moves to make more poweer from whatever cylinder heads you may have. And by-the-way very little of what DV divulges here is common knowledge so if you are a racer or engine builder you can get one up on the competition!