For example, a Mopar 440 engine was exclusively an RB engine. However, there was one that crossed over between the two, and that was the Mopar 383. Though they had the same displacement, the two 383 ...
Read more: How To Clean Your Car's Engine Bay: A Step-By-Step Guide The base engine offered in the 1969 Plymouth Road Runner was a 383 cubic in, 6.3L V8. Known as the 383 Road Runner and the Golden ...