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.
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