I found some that were a little cheaper on KC craigslist, I'll probably keep my 670's on the 400, that 455 is just 20 minutes away if you need someone to check it out, I drive by it twice a week to take my son to baseball practice. I have a set of 6x heads that would fit it
Jerry Tallman 69 455/4sp Windward Blue, deluxe parchment bench seat, under major restoration je_tallman@yahoo.com