hi i brought a fiesta rs turbo a thew weeks ago and its my first turbo unfortunately the seller wasnt genuine and im having problems would appreciate all the help i can get cheers the clutch is slipping which im getting done and the head gaskets just gone so im doing that and the cambeltthis weekend but before the head gasket went if i put my foot down would go lovely until 4 grand in 4th gear then it would jus splkutter n kangaroo after it done it once it would do it the whole time i went to put my foot over half way down it would build up a bit then soon as it started to move it would kangaroo n splutter so its leaving me completely confused im also gettin a knocking when goin round a right hand bend and when just accelerating thanks for all help in advance will