383 rebuild - kinda whimpy on the dyno?

Bummer, this was not the way I thought the build was going to turn out. But I guess the tear down will give you the chance to measure piston depth and chamber volume. a little work on the bowls and port on the heads and I think the dyno #'s will move up. I believe the combo is capable of 350 -375 #'s. The build is slightly over the 68 Roadrunner 383, about 1 step. imo