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AL in NY · 11-20-2018, 10:36 AM

Tom, the engine builder has to enlarge the intake valve seats to fit the 1.75" intake valves.

Paul, I am running a "B" carburetor and intake manifold with the standard Model A exhaust manifold. I don't like the looks of a downdraft carburetor on a Model A. I wanted a few more horses without getting to radical. My truck will cruise all day at 65 MPH, but I don't like to do it very often. If I'm in a hurry, I climb into my modern car.

11-20-2018, 10:36 AM	#35
AL in NY Senior Member Join Date: May 2010 Location: Southern Upstate New York Posts: 1,160	Re: Best fuel and exhaust system for power Tom, the engine builder has to enlarge the intake valve seats to fit the 1.75" intake valves. Paul, I am running a "B" carburetor and intake manifold with the standard Model A exhaust manifold. I don't like the looks of a downdraft carburetor on a Model A. I wanted a few more horses without getting to radical. My truck will cruise all day at 65 MPH, but I don't like to do it very often. If I'm in a hurry, I climb into my modern car. __________________ AL in NY