I have a 77'sleekcraft trihull 21 footer,jacuzzi intake with an american turbine output Kit.I have a 460 Ford 30 over,tunnel ram with 2 650 holleys.Need to know what I should go with as far as impeller,my pump through a wear bearing and have it at cyclone right now,he is charging me $1500 maybe plus.Any ideas out there without having to go with berkley,I would have to cut and glass,don't want to do that.Please help.