Fresh water only,have access to start to hear it run,2001 Mercury Racing 540 CID tall deck, 165hrs total. 65hrs w/Polished Procharger M-3SC,AW-504Intercooler,MSD Ignition System(coil,ignition control,distributor,wires & soft touch rev. limiter) Aeromotive high performance Electric fuel pump & pressure regulator & fuel filter, carburetor modified by Nickerson for superchargered operation,runs flawless, have original bill of sale and owners manuals, complete drop in, includes exhaust. $13,900 OBO