Gadgetman Groove - Better Mileage

[Rollbar]

This is something to look into if you want to double or triple your fuel mileage-not a gimmick. About 40 min into the video he explains the physics behind the groove.

Reduce Emissions with the Gadgetman Groove

Gadgetman Groove by Ron Hatton - YouTube

 

[Old Dog]

Do you know anyone that has done this?

 

[Rollbar]

No I don't.

 

[IOPort51]

I saw no dyno tests or other hard evidence. I agree that if you can drop manifold vacuum to as close to 28 inches as possible you will improve fuel vaporization but I do not see how increasing volume of air will increase manifold vacuum.

A precision shaped grove, machined by hand?

his explanations only cover near idle throttle positions, what happens at WOT??

too many traces of "snake oil" on this one.