Hi my car is currently at at a tuners having a fair bit of work done just had omex fitted and while mapping they said the piper cam i have at the moment is causing issues at 5,500 rpm that it is bouncing to much and is causing something similar to a misfire and advise i have a newnham cam put on to solve this has anyone had these problems before how good are these newnham cams the car is a erst i wont name the tuners because i dont want this thread to turn into a u should of gone to such and such instead cheers jay