I duno where to start i have a fiat grande punto 1.9 mjet tuck it to garage they said flywheel was goin as i had a knocking so i went n had a new one but went for single mass conversion long story short i have fitted it all over the weekend fired the car up to find the knocking is still there but its a mad one cos when outside of the car there no knocking but when in the car there is also when push the clutch all the way down it disappears any one shed some light as what they think it might be i will try get a video of the sound tomorrow