Hey Guys! My posi-trac system makes a clicking noise in the rain and I am simply looking to upgrade my rear axle. I want the Ford Nine inch but I am not sure what the best gear ratio would be for my car. I drive a 99 Sn95 Base model with some minor engine upgrades CAI, BBK throttle body, and a Bama Tune. As far as other modifications I have SR Performance sway bars and Coilovers. My driving style is spirited on the back roads! What would be the best rear gear ratios for my car! Thanks for the help.