I'm running a stock rear end that has been gone thru twice well stock housing.with all the parts coming from Texas speed shop 391 gears new bearings crush sleeves outlaw g force axles its doesn't last long an I have pinon slack in the driver's side it seems I can't keep it together an now my driver's side axle has slop in it back an forth an up an down an that's were the pinion slack is a good qt turn before the wheel moves.its 6.2 LS3 6 speed do I need a bigger rear end it's a 2011 Camaro SS2