on 6 /4 /2014 i pd in full cash 725.00 dollars for a chevy 350 vortec motor from tri state put the motor in and it rattles / knocks worse than the original motor i have gotten every excuse from duane and his brother and treated very bad they have come up with every reason not to bring me another motor including lying to me i will never do business with them and furthermore am filing court action against them for a refund of monies i paid for a junk motor