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Very roughly what would a mild 454 Twin Turbo motor make for ponies? I believe that the 80's vintage 454 Magnum's made 365hp but I'm curious what the set up below might make to push the boat to 80mph?
1988 23' Crusader Boat and Competitive Trailer. Not many of these were made and its a classic. 454 Twin Turbo with Mercruiser Bravo One outdrive. Motor and turbos were rebuilt a few years ago but there are very few hours on it since we have rarely gone to the lake for several years. Has awesome sound system in it. Comes with two SS props, 19" and 20". Trim tabs, thru transom exhaust. Boat runs amazing. Will do 80 MPH in right water conditions. New windshield. New trailer tires. Boat upholstery is original, still useable but might need to be replaced. Could use a little wet sanding but still in great shape. A couple little rock dings but very clean.