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Charlie Stephens · 05-21-2012, 11:24 AM

Yes but they were frequently incorrectly called the Model C motor. The Model B in 1932 is close to the Model A except a different oil pan, side plate, timing cover, distributer, manifolds, carburetor and fuel pump. The Model B motor in 1933-34 was slightly shorter and requires the use of the 1932 water pump, timing cover and crank pulley to be the correct length for installation in a Model A. The 1933-34 engines all had counterweighted crank shafts. Most 1932 Model B engines did not have counterweighted crankshafts although the late ones did. The engines were rated at 50 hp versus 40 hp for the Model A. The crank bearings were larger but the top of the block was thinner and more likely to crack. Both engines were the same displacement and any speed equipment could be added to either engine and get the same effect. You could add to a Model A engine a high performance cam, a counterbalanced crank, a Model B carburetor and a high compression head and have the same performance as a Model B (or better depending upon what you added).

Charlie Stephens

05-21-2012, 11:24 AM	#3
Charlie Stephens Senior Member Join Date: May 2010 Location: Southern California Posts: 7,034	Re: Model B '34 Motor? Yes but they were frequently incorrectly called the Model C motor. The Model B in 1932 is close to the Model A except a different oil pan, side plate, timing cover, distributer, manifolds, carburetor and fuel pump. The Model B motor in 1933-34 was slightly shorter and requires the use of the 1932 water pump, timing cover and crank pulley to be the correct length for installation in a Model A. The 1933-34 engines all had counterweighted crank shafts. Most 1932 Model B engines did not have counterweighted crankshafts although the late ones did. The engines were rated at 50 hp versus 40 hp for the Model A. The crank bearings were larger but the top of the block was thinner and more likely to crack. Both engines were the same displacement and any speed equipment could be added to either engine and get the same effect. You could add to a Model A engine a high performance cam, a counterbalanced crank, a Model B carburetor and a high compression head and have the same performance as a Model B (or better depending upon what you added). Charlie Stephens Last edited by Charlie Stephens; 05-21-2012 at 11:32 AM.