Carb secrets revealed?

[Z28SSMAN]

Maybe Mr.hp's secret is revealed as to how his 600 or 650 Holleys ET like crazy. Or maybe just another marketing ploy?

https://youtu.be/QMHgbFPEVXA

[MR.hp]

Wow! $40 to $80, that's a lot of dough fro that little piece of sheet metal. What make a 600 or a 650 mode Holley like I did is velocity, but I an not sharing what I did to make it run as quick as an 850.