Distributor HELP
Can you give me more info on what you talking about I'm not familiar with either motor
No, YOU give us more information.
The photo above was just a guess What we need is photos of this alleged engine you bought, and the two distributors side by side, and "what they came out of.
What I posted above is merely an example, and a photo I found on the www. What you are looking at, here, is two distributor setups out of 440 engines which are known as "RB" for "raised block." AGAIN THESE ARE EXAMPLES.
The important thing here, is NOT "what engine" these are. The important thing is, the distributor on the left which would fit a common ordinary passenger car 440 is SHORTER than the one on the right, and that is because the distributor on the right fits INSIDE the long device lying beside it. This device is used in REVERSE ROTATION marine engines and provides thrust for the distributor drive gear, which in a reversed engine will try to "climb" out of the engine, and would put thrust on the distributor, which is not designed for this.
Smallblocks use the same device. This is the only thing I can think of, but IT IS A GUESS until YOU provide photos of what you have.