The Ford Barn

2speed · 03-14-2026, 05:50 PM

I have many farm tractors that have a gravity fed fuel system, and they all have air cleaners on them, and yes they do leak sometimes. But the air cleaners are higher than the carb, with a pipe and flexible hose connecting them, so they don't fill with gasoline.

They almost all have Marvel Schebler carburetors on them, I have not looked closely at the Marvels to see if they have the pressure balanced system on them, or they may not work the same as the Model A carb.

Is the Marvel Schebler carb for the Model A pressure balanced?

I would be interested in the pressure balancing to run an air filter. While everyone may so and think that there's minimal dirt, I spent a lot of money on my engine, and I put a lot of miles on it, so I would like it to last.

03-14-2026, 05:50 PM	#14
2speed Senior Member Join Date: Apr 2022 Posts: 150	Re: Ditched the "Air Maze"... I have many farm tractors that have a gravity fed fuel system, and they all have air cleaners on them, and yes they do leak sometimes. But the air cleaners are higher than the carb, with a pipe and flexible hose connecting them, so they don't fill with gasoline. They almost all have Marvel Schebler carburetors on them, I have not looked closely at the Marvels to see if they have the pressure balanced system on them, or they may not work the same as the Model A carb. Is the Marvel Schebler carb for the Model A pressure balanced? I would be interested in the pressure balancing to run an air filter. While everyone may so and think that there's minimal dirt, I spent a lot of money on my engine, and I put a lot of miles on it, so I would like it to last.