N/A or GO HOME
Forever I've read running a bias ply rear with a wide-ish radial fronts you get crazy sway going WOT in a straight line with these IRS cars. I dunno about that man. Running 28x11.5.17 ET Street R rears & Firehawk Indy 500 245/40R19 fronts there is zero sway. Street / track / 4x4 trails (haha). It's just hook like a mofo & hang on. In fact, I didn't notice anything unusual other than the bias plys grab the ruts in the street more. So makes me wonder what these guys are doing to get all that sway. Don't wanna get caught off guard haha. Cheers.