Wow, stuck between the two don't leave you much wiggle room. Think it out and take your time. A few minutes EVERY day will do wonders on a restoration.
Most parts are attainable from several vendors. Click on Links, at the top of the page and your find several that bolters use regularly.
Stock or original for a 59 should make a nice driver. Let us know what the verdict is..... or should I say who's gonna be putting the moo-la into it
