somthing doesnt sound right. I would think the car would be faster with 17psi,555s, and intercoolers?? Check some things like base timing and maybe even fuel pressure. Also do you happen to have a Air/fuel gauge or know if your running rich or lean. just trying to get you thinking, Nice car man I love those rims. ~matt~
been a member ever since i owned my 1st 300zx i love twinturbo.net thanks guys