Quote Originally Posted by ste View Post
i had bit of this with chaser and skyline and s15 someone told me a lightened flywheel contributes to it but that could be poo talk....
I inherited that problem. Thanks Ste. I looked into it and read somewhere that it was something to do with taking the standard recirculating valve off and running an aftermarket dump valve. Once I got the Power FC fitted and mapped, the problem went away.