I have a vibration.

[ramtough9]

The trans mount was bad on my car and I had an energy suspension poly mount installed and now I have a bad vibration that I can't figure out. It does it even when it is idleing. Does anyone have any ideas?

[Knight]

Any codes? Could be a dirty MAF - try cleaning it. Possibly a misfire as well.

[ramtough9]

It has been throwing codes like crazy but it is because I put a K&N filter in it a couple weeks ago. It started running like shit then I put in a regular filter in and it was fine for a day or two then it threw a code today and it is running lean on the left and right bank. I figured the car would regulate itself in a couple of days but the vibration was not there before the mount was put in and now it has shown up.

[Knight]

Try cleaning the MAF first - K&Ns are known to throw oil on the MAF and cause problems. Then see what happens. If it's still acting up, check the tranny mount - maybe not installed correctly or broke.

[Cutlass]

I've heard the energy suspension poly mount needs to be modified to work properly. Its sits the trans up too high and screws up the driveshaft angles. Try doing a search and see if you can find the answer. I'll search later tonite when I have more time also to see if I can find it.

[Cutlass]

Here's a good explanation of the mods.
mods for poly trans mount to eliminate driveshaft vibration

[35th-ANV-SS]

If you are running lean on both banks, that sounds like a vacuum leak to me...which would also cause your car to shake/vibrate at idle.

Your vibration under load though (cruising speed) sounds like either your poly mounts (what Cutlass said) or could even be your motor mounts possibly.

[98maro]

My car has vibration when hit the gas or when Im doin a burnout.
The dashboard vibrates so bab. And I can feel the transmission movin to sides
I thought it could be the transmission mount, I tried to look for the transmission mount. Bt I can't find it
Idk where it's located

[ramtough9]

Thank you for the information.