Does anybody know what this is. It was on a 1914 I just bought. It attaches between the carb and intake manifold. In each arm there is a steel ball bearing. The threaded area has 2 small slits in it. Does this adjust the fuel mixture based on engine speed?
Would be tough to do from inside a moving car. Would love to see additional input.
I believe it is a gas saving device/scam. The one I have is configured differently but the idea is that it will suck air at higher vacuum and run leaner and save gas when not under load.
Jim
Brent,
With the horizontal tubes maybe the idea is that it would suck air when going down hill when you don't need the power and are not worried about running to lean and it would run richer when going up hill.
Jim
Obviously tho, these wouldn"t be "on the fly" adjustments to whatever end. If meant to be gas savings/performance enhancements they certainly weren't "set it and forget it" applications.
Here is a more info and a patent:
http://www.mtfca.com/discus/messages/179374/183057.html
Looks like the one with the angled inputs are for a updraft carburetor. The patent drawings always show the tubes near vertical.
Jim
Very cool. Thanks for the link Jim.
It is a vacuum leak. You can achieve the same effect and "benefits" by tearing up the intake to carb gasket. Yes, it is a scam.
Would look nice on your garage wall though!
thanks for the info