Most everyones replies are correct.
Its NOT done all the time. ~~~ unless you have a 47-53 front end to use for parts. Fenders,splash pan, hood, emblems, etc.....
It DOES require major mods. ~~~ changing the fenders, splash pan,, etc. And keep in mind, youre ruining a '54.
You may as well butcher out the dash, to switch with a 53, also try to fit a 2 piece windshield in place of the one piece.