2006 550isx/ leak test video added

[race7820000]

I have a 2006 isx that has a vibration at higher rpm, I can really feel it 1300+. I always thought it was in the trans / clutch.

The other day I had the clutch changed, when they dropped trans and took clutch out the pressure plate springs were broke out. And piolt bearing was bad.

I had them start it with no trans and the engine had a vibration at higher rpm. I did this to rule out trans back.

The truck is night and day smoother with the new clutch but still has a vibration at higher rpm and I don't like it.

I had a cylinder cut out test done and a pressure test done and it passed.

I was going to do a overhead on it but haven't yet.

Anyone have any ideas on what it could be.

It runs cool temp wise , has 40 psi oil going down road and around 20psi at idle