I HAVE A 2008 TURBO CAB WITH A FLOODED LEAD ACID BATTERY THAT HAS ACID CORROSION IN THE BATTERY TRAY , HOW DO I REMOVE THE BATTERY TRAY , AND WHAT IS THE BEST WAY TO REMOVE THE RUST AND REFINISH THE TRAY , SHOULD I CONSIDER POWDER COATING OR JUST REMOVING RUST , NEUTRALIZE, AND RUSTOLIUM OR POR15 , I WANT TO REPLACE THE FLOODED BATTERY WITH A AGM BATTERY , WHAT ARE THE SPECS FOR MY CAR AND WHO MANUFACTURES THE BEST ONE ?? THANK YOU , ELLIOT A 35 year member of the PCA