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jayd21

I just purchased a 1937 Dodge truck that came with a running flathead, it's not original to the truck. What casting numbers are required to identify the engine and what source do I use to determine what year and displacement it is? Any help would be appreciated.

Steve E.

The prefix to the engine number will tell you what engine you have. its on a machined pad at the left front corner of the block, just below the head. You'll read it from the side. On a passenger car it woult be like D8, on a truck something like PT 15

66patrick66

This is a list on Wiki that might be helpful to you.

http://en.wikipedia.org/wiki/Chrysler_Flathead_engine

jayd21

The number on the block is D517344, that makes it a car engine, whats the year? Does this code show whether it was a Plymouth, Dodge or Chrylser application?

Steve E.

D would indicate a Dodge, D51 I think is between 49 and 54. Why am I guessing? Just looked it up in Motor's manual, D51 is a 54 Meadowbrook 6 or a 54 Coronet 6.

jayd21

Were the engines used in trucks and cars the same? I have a complete running engine with a carb (breather), generator, intake and exaust manifolds. It also has a good flywheel (resurfaced or new), clutch and pressure plate (resurfaced or new). Plus 2 good transmissions, the bellhousing and front engine mount. What would this be worth?

Steve E.

Some times the truck engines had a lower compression ratio to let them burn lower octane fuel but that's about it.

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