Going in a bit quick and turning sharply (or late) and the mx5 will understeer like a good 'un even in the dry. It's even more noticeable on track days ;-). Happens every time I go round one particular corner that tightens up near where I live. No matter how I adjust the car's turn in and power application I cannot provoke the slightest bit of oversteer on that corner (won't stop me trying tho' :-)), neutral is the best I get.

Oversteer/understeer all depends on speed, turn in, road surface conditions suspension set-up, front and rear tyre pressures, power application, braking etc etc. The mx5 can do either given the right conditions. I wouldn't necessarily worry about understeer in heavy rain, but if it there was a lot of bad understeer in the dry then it would be worth checking a few things. (4/00)