LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

bad vibration

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Old May 9, 2007 | 03:36 PM
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seawolf06's Avatar
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Joined: Jul 2004
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From: Raleigh, NC
bad vibration

I thought it was just the poly mounts (driver's side motor and tranny) at first, but after a friend rode with me he said no way they could do that.

You can't really feel it at idle. If I rev it in neutral at a stop, it's hardly noticible.I can feel it at part throttle accel, but it's REALLY bad when I'm decelerating in gear or "engine braking".

It happens whether the clutch is engaged or not as long as the RPM are up, and we're moving. Usually gets bad above 2k or so.

I don't really feel it when I'm going WOT, but I am concentrating on a lot of other things.

I had the rotating assembly balanced with the flywheel and the balancer. I can see where they drilled into the balancer and I guess they put weights on the flywheel.
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