Re: what's the best 350 junkyard motor
Get a small bodied HEI or MSD that is small body. Many of us have had to "modify" our firewalls to get a large body HEI to fit. You could also modify a points Distributer with an HEI kit like pertronix or Crane. I would look into a crate engine, if you are starting from scratch.
69 Camaro -originally a LM1 car. 327, Edelbrock E-streets, hooker, DUI performance distributors, ultradyne cam, stewart, TRW etc. Vintage Air, AGR steering, Corbeau GTSII seats, 700R4 TPI transmission, 12-bolt w/Eaton 4.11:1