Hey, plain and simple. In turns on flat ground the car will rock back and forth, rpms would raise and drop 2-3 hundred, any ideas what it could be? These are the only mods that i belive could be effecting this.

H&R Coilovers
Moderatly lowered 2" front 1.8" Rear.

Pilot cup sports Comp Tires

 

I would tell you, but you say "VINYL SUCKS" so I wont!

Mine did that once, I was turning left from a dead stop, and it felt like I drove over a beach-ball, pitched left and right. this happened once, and never again. No clue on that. unless the wheels spinning at different arcs, speeds, and the Diff/TC was in a "bind" I really am not sure. It was when I had a bad triple plate clutch when that happened. do you have a newly installed clutch? Do you have the ACD? probably tricked it into thinking 2 wheels were on ice or something.

 

My Stock clucth is on a down hill, but its got some time left. the acd i have been playing with, same thing happens in every mode.

 

Did you just switch to the R-Compounds? R's stick more then slip. I get that too with my R's.

Believe it or not, street tires slip around more then you think.