yup had that happen to mine its the physical sensor put an add on CL about it there is a guy ik in central new york that can fix that for like 30 bucks
yah all depends on what tred pattern you are looking for your v6 isn't going to be putting down to much power unless you put a power adder on it so you should be pretty good on that but you need something to hold the turns you should call tire rack and tell them exactly what your hp and tq is...