Stop in for a cup of coffee

Yeah i think that guy did it in like 1980-1082...that motor is awesome.. i thought it was a 400 block though
That could have been for racing once they figured out what to do. I knew the guy that engineered them. Gary Ostrich. He did a lot of R&D for Mopar racing. He was a Super stock racer back in the 60's.

383 block 2.jpeg

383 block.jpg