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05-21-2012, 10:49 AM | #1 |
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Model B '34 Motor?
Did Ford build a Four cylinder Model "B" engine in 1934? If so are there any distinctive external or internal differences from an "A" motor? Any advantages to a "B" motor over an "A"? Any and all comments would be appreciated.
Thanks for your time. Joe Grobleski |
05-21-2012, 11:07 AM | #2 |
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Re: Model B '34 Motor?
Its supposedly a better engine,has bigger carb and has a fuel pump. They WERE made in 34. ken ct.
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05-21-2012, 11:24 AM | #3 |
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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. |
05-21-2012, 01:11 PM | #4 |
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Re: Model B '34 Motor?
The obvious external differences are, on the B engine:
1. the head has a 3 bolt water pump with the water outlet attached to the water pump. 2. there is a fuel pump opening on the right side of the engine. 3. there is no external oil run back tube and the side cover is taller. 4. The intake manifold has a flat top. 5. The front cover has an elongated boss where the timing pin screws into. |
05-21-2012, 03:24 PM | #5 | |
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Re: Model B '34 Motor?
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05-21-2012, 04:02 PM | #6 |
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Re: Model B '34 Motor?
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05-21-2012, 04:04 PM | #7 |
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Re: Model B '34 Motor?
I guess I really did not answer the question. Ther is no such thing as a C motor, at least from Ford's world.
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05-21-2012, 04:09 PM | #8 |
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Re: Model B '34 Motor?
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05-21-2012, 04:23 PM | #9 | |
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Re: Model B '34 Motor?
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My guess is that the reference to the engine as a Model C comes from the fact that Ford numbered his vehicles alphabetically starting with A in his early production. When he got to T it was really a hit and he kept that model designation for years. When the introduced the Model A in 1928 (late '27) he probably started over to show it was an all-new beginning. He followed with the Model B in 1932. It would have been logical for Ford to follow with a Model C in 1933 but Ford chose not to do that. I assume the people didn't pay attention to what Ford called them and just referred to them as Model C's. To add to the confusion the Model B in 1932 had a large C on the head (Ford had used the letter B on the high compression Model A head). The main place you hear the reference to Model C is the engines because most people thought that the 1933-34 engines with counterweighted crankshafts should be called Model C's (the change to the counterweighted crankshaft actually occurred in late '32). Charlie Stephens |
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05-21-2012, 11:21 PM | #10 | |
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Re: Model B '34 Motor?
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05-21-2012, 02:14 PM | #11 |
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Re: Model B '34 Motor?
Also The B engine was pressure (oil) to the mains and cam bearings. Still splash on the rods. SOSS had a story a while back (Oct 1999) about improving even the improved oil system. I tried it and she was running 100 psi with out a pressure relief valve (which I added) SOSS July 2008, page 38. Best thing I did was the Lion Speed Head and cut 30# off the fly wheel (am running a counter balanced crank) With a T-5, 5 speed and Hi gears in the rear,she ran away from many cars at the light and would run at 75 MPH in Florida.
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05-21-2012, 02:23 PM | #12 |
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Re: Model B '34 Motor?
4. and the carburetor flange not parallel to the block.
6. larger oil filler tube than Model A. |
05-21-2012, 03:01 PM | #13 | |
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Re: Model B '34 Motor?
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05-21-2012, 04:35 PM | #14 |
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Re: Model B '34 Motor?
Vince's site has the story of the Model C myth.
LINK http://www.fordgarage.com/pages/modelcmyth.htm Bob |
05-21-2012, 04:56 PM | #15 |
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Re: Model B '34 Motor?
Thanks for all the responses. I now have some knowledge of the "B" motor.
Thanks again. Joe Grobleski |
05-21-2012, 05:12 PM | #16 |
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Re: Model B '34 Motor?
I read somewhere that there was a C engine classification used on the smaller four cylinder engines used in Britain in 32-34.
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05-22-2012, 12:18 AM | #17 |
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Re: Model B '34 Motor?
And Ford continued to build them for many years. I have one with castings dated Dec 39. I assume not assembled until early 40.
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05-22-2012, 08:47 PM | #18 |
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Re: Model B '34 Motor?
I have a diamond "b" engine that was made in 1938
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05-25-2012, 12:24 AM | #19 |
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Re: Model B '34 Motor?
I have diamond B engines in both my A,s.I prefer them to the A engine for a driver car.While you can install the B cam,carb & head etc on the A & have the same HP as the B, you are still hampered by the A,s small brg size.The larger brgs make for a much stiffer crank Its not very often that a B will take out the center or rear main.Ford still listed rear main caps in the 49 parts book.The B,s had mild pressure to cam & mains.If you have an oil leak at rear of engine,it could also be leaking from gasket between block & FW hsg as it seals the rear cam brg..
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11-30-2023, 03:03 AM | #20 |
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Re: Model B '34 Motor?
how can you tell if a Model B crankshaft is an early non balanced one or the later counter balanced crankshaft
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