Originally Posted by BenPerfected

You would have to go to a pro to help you with this project. Go to someone like Glassdave and you can expect something like $3000-8000++ range for bottom blueprinting. After the bottom is been blueprinted (close to perfectly flat) expect to spend more $ as your speed increases due hull efficiency, drive height, props, + HP, etc. The increased speed will require more strake changes to maximize the hull efficiency....more bottom work and back to Glassdave! Want a lower cost?..sell your boat as is and buy a boat that meets your speed needs. The polish to perfection approach has no monetary return....ask me how I know

Originally Posted by Too Stroked

An "excellent bottom" means a great combination of lift, deadrise, angle of entry, number and placement of lifting strakes, weight, center of balance, construction, etc. There's no absolutely perfect combination, but the original George Linder 21' Challengers had almost the perfect combination. (That's why so many companies splashed the hull.) And some folks who modified the hull so it didn't look like a blatant copy found out that small changes sometimes ruined that perfect combination.