Slant six to 360 engine swap list?

This will help a little.

http://www.forabodiesonly.com/mopar/showthread.php?t=10508

Also, the stock fuel sender and line will be OK for the V8. The line is a 5/16 and was not made larger in any car until (IIRC) the 440 HP and HEMI engines were in it. That means, yes, even a 383 got a 5/16 fuel line.