Quote:
Originally Posted by A930Rocket
The middle cylinders must have two into one exhaust port of some kind.
Interesting picture that I never noticed.
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The center two share the same exhaust port. A little reversion does get into the 2nd port in the firing order. Some guys make a flipper that goes into the port but it does kill power. Full tilt drag flat heads get a 4th port added but it doesn't work for street cars. I would say due to heat.
Strange flat head tech. Both banks coolant are stand alone in the blocks and heads. they have their own water pumps. they do share the same radiator and coolant but there isn't a passage from side to side of the block