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Old Jul 25, 2011 | 01:36 AM
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Default Vibration

I have a 02 Z06 that is a bolt on and cam car. I just got through installing a monster level 4 clutch with billet flywheel, tick master cylinder, and pfadt tranny brace. Every since i did the install i have had a vibration from what feels like the drive line. When im driving down the road if i put the car in neutral the vibration goes away. Any thoughts on what this could be?

Last edited by The Dibble; Jul 26, 2011 at 09:48 PM.
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Old Jul 25, 2011 | 05:49 AM
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That would suggest propshaft with clutch pushed in. If it is the propshaft, you should also get vibration with the car setting still, transmission in neutral, clutch engaged (pedal full up) and revving up in engine rpm.

Last edited by Eric D; Jul 25, 2011 at 06:08 AM.
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Old Jul 26, 2011 | 06:01 PM
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Originally Posted by Eric D
That would suggest propshaft with clutch pushed in. If it is the propshaft, you should also get vibration with the car setting still, transmission in neutral, clutch engaged (pedal full up) and revving up in engine rpm.
Yea it does the same thing when i do that
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Old Jul 26, 2011 | 07:16 PM
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What is the tranny brace? I know some of the other braces have caused issues, it is something you can easily remove to eliminate it as the cause, especially if there was no vibration prior to installation.
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Old Jul 26, 2011 | 07:21 PM
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Did your old flywheel have counter weights on it and if so did you transfer them over to the new flywheel?
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Old Jul 26, 2011 | 09:51 PM
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Originally Posted by vettenuts
What is the tranny brace? I know some of the other braces have caused issues, it is something you can easily remove to eliminate it as the cause, especially if there was no vibration prior to installation.
This is the brace i have http://www.pfadtracing.com/catalog/p...roducts_id/100 idk why i put spohn
Originally Posted by Ikester
Did your old flywheel have counter weights on it and if so did you transfer them over to the new flywheel?
No all the parts i replaced were the stockers.
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Old Jul 26, 2011 | 10:57 PM
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Originally Posted by The Dibble
This is the brace i have http://www.pfadtracing.com/catalog/p...roducts_id/100 idk why i put spohn
Do you still have the tuned vibration absorber on the driver's side of the differential side cover? The trans mount you have also transfer vibration through that the stock mount doesn't.
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Old Jul 27, 2011 | 04:38 PM
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Originally Posted by Eric D
Do you still have the tuned vibration absorber on the driver's side of the differential side cover? The trans mount you have also transfer vibration through that the stock mount doesn't.
umm i cant recall if i put it back on there or not
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Old Jul 27, 2011 | 08:13 PM
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I would put the damper back in and change back to the stock differential mount to see if the problem is isolated.
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Old Jul 28, 2011 | 09:02 PM
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I went and checked. The damper is there.
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Old Jul 29, 2011 | 09:54 AM
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Originally Posted by The Dibble
I went and checked. The damper is there.
I’m not a fan of the pfadt trans mount. Did you have the vibration prior to installing it? If I remember correctly I believe they added some different durometer pads for the mount after people started to complain about the excessive vibration it allows through to the vehicle. It your plan is to stick with this mount you might what to try some of the softer pads.
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Old Jul 30, 2011 | 02:57 PM
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No the vibration started soon as i got everything installed. I know a couple people that are running the same mount without any problems, which i why im leaning toward it being the propshaft. Im probably just gonna end up taking it back apart and give it a look over.
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