hey. i went to my mechanic today whos a mate of my mums. cars runs rough and splutters mainly at hi revs but sometimes downlow also. ive done the usual afm, cas, plugs leads dizzy etc etc. and he seems to think that it could be my cam? it had cam regrind and he thinks that they couldve ****ed it up makin it run like ****? possiblilty of this? cheers