Competent 451 engine builder in Portland Or

First I went to Andy F's company's website to see if he had any recommendations... If you aren't familiar with Andy

Andy has authored a long list of technical magazine articles for publications such as Popular Hot Rodding, Mopar Action, Mopar Muscle, Car Craft and Hot Rod. Andy has also written two books for CarTech publishing including How to Build Max Performance Mopar Big-Blocks, and Mopar B-Body Performance Upgrades 1962-1979.

Trust me, he knows...
Links | AR Engineering

He recommended

Gray's Automotive Machine Shop, LLC - Gray's Racing Engines | McMinnville OR