Originally Posted by Tommy R

I am currently having a slight push in high speed sweepers in my USGT car (TC6). I'm currently running a slipper spool up front and it's very tight (as you'd expect). Rear is a ball diff and is fairly loose. I'm considering adding a gear diff up front with some very heavy oil in it. My hope is that it would give "just enough" to help alleviate this slight push, but still remain solid enough to provide needed stability.

I'm curious if someone could make a good recommendation for a starting point? The surface is low-med grip asphalt. I should also point out that I'm pretty happy with the handling of the car otherwise, but I wouldn't mind just a touch more turn-in.