Where to start?

[olredalert]

------Dave,,,Honestly, no! It can vary so much. These boat motors had quite a bit of extra work done in longevity areas as I want them to live for many seasons. Boat motors run at (sometimes) high RPMs for long periods and need very good balancing just for starters. A good 383 doesnt have a lot of crazy stuff internally, however so they can be built and built well for much less than, say, a small block 427. There are guys on the board that can give you a better ballpark area than me.........Bill S