Rarely discussed power producing Ignition tech.
32:40
How I got the best power sparks.
13:18
JUNKYARD LS PLUG GAP TEST. DOES MORE GAP EQUAL MORE POWER? HOW MUCH SHOULD I RUN? .010 VS .100 GAP
1:01:11
David Vizard's PowerTec 10 EP 28 The ultimate youtube head porting video
31:48
A mystyery - 90 hp from spark plug change!!!
23:45
Cylinder Offset Changes Everything
18:45
Reshaping a 4G63 combustion chamber how-to!
26:39
HOW MUCH COMPRESSION PART I CAN WE RUN ON THE STREETS?
31:14