I have a 2005 2500 Quad Cab with a blown #5 piston. Is it worth trying to get someone to rebuild it or is it more economical to buy a new engine. It has B&D Twins, ATS High Ram, TST Propane, Stage 2 CP3 Pump, Grand Rock Exhaust, FASS, Stage 2 Water Meth, BD Sp Eliminator, and beefed transmission and...