Quote
Originally posted by oldchevy46:
how did you get 447 instead of
By using the 366's bore instead of its stroke in my calculation... Oops.

You're correct that makes a 427.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...