i got a 1954 235 that i want put in a old truck and it had been sitting for a very long time so i drained all oil and fluids and replaced freeze plugs and flushed all old fluid out of block and lots of nasty stuff came out the distributor looked really bad will one from a 216 work on a 235? and i didnt mark the fly wheel when i took it off and dont know where it was how can i fix that? i also converting it it to 12v from 6 volt just need some help make sure i do it right before i try run it again any help would be great