Jeff- Email me, I h8te PM's... too many forums and too hard to keep track of.
Re: engine condition, it's not really that bad. I've seen better and worse. Cylinders have some scuffs on the thrust side, which isn't out of the ordinary on a RC51. She'll be all like new when it goes together.
I kinda forgot, but I already did a half-arsed/unfinished tech pictorial in the past... trouble is I can't remember whose engine it was!
RC-51 Engine Build