I had originally planned to build a traditional 60’s era hot rod with the car. I had a low mileage small block 360LA Mopar engine, A-833 four speed transmission, 8 3/4″ rear, and some period correct speed parts that I’d planned to stuff into the stock 1940 frame. Over the years I sold most of it to finance other projects and make space in the garage.
Then I parted out a 1994 Chevy Caprice wagon, and just for kicks took a few measurements. The track and wheelbase of the Caprice were within fractions of an inch of the Plymouth’s measurements. The Caprice frame rails were much wider than the Plymouth rails, but since the car needs extensive metal work on the floors and rockers I contemplated dropping the Plymouth body on the Caprice frame and running gear. The Caprice’s LT-1 can be built into a stout mill, and was already backed by a 4L60E overdrive transmission. It was looking like a decent plan, but I eventually determined the work necessary to get the wide frame under the narrow front portion of the Plymouth body would never look right.