What is the differenced in carbs between a ZRT and a T-cat (with flat slides). If I am correct, the slides make it a little leaner on the T-cat? What I am wondering is what is a good starting point for the air and fuel screw on a ZRT800 bored to a 1000? I was thinking 1.5 on the air and 2.5 on the fuel, with the clip in the 2nd from the bottom. Any suggestions? Thanks I am in MI