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Old 01-08-2013, 06:45 PM   #1
Ripped ST 151
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FEED UP with Balance Shaft Assembly Removal

I've spent at least 5 hours researching the subject, and still no definite answers. I've made a few phone calls in the past to FSWERKS and they have given me conflicting answers.

I have an 05 ST with 95K miles. I feel like my car is vibrating apart. I removed the B.S. assembly 4-5 years ago and the vibration has become pretty bad. Bad enough to where most people who ride in my car will point out how loud and obnoxious the vibrations are.

I've heard you can't just put the assembly back on because the assembly was originally put on by a calibrated machine.

*I also have heard you can bolt it right back up (heard this from the lead mechanic at FSWERKS, Vick "If you can remove it, you can put it back it on"). Sounds fishy even though he is much more knowledgeable than me.

Does anyone out there have experience with putting the assembly BACK ON?

*Vick suggested it might be a motor mount?

Any input is welcomed.


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Old 01-08-2013, 07:28 PM   #2
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A BSD should not do that. A bad motor mount could.
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Old 01-08-2013, 07:28 PM   #3
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How are your motor mount's? I've have the bsd too, w/ no issues for a while also.
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Old 01-08-2013, 07:31 PM   #4
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Quote:
Originally Posted by felixthecat View Post
How are your motor mount's? I've have the bsd too, w/ no issues for a while also.
The passenger mount looks beat, but I have no clue if it's bad. How much does your car vibrate without the BS assembly?
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Old 01-08-2013, 07:40 PM   #5
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I would say you have a bad motor mount. The motor mounts are easy to remove. I would remove the passenger mount first and inspect it.
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Old 01-08-2013, 07:44 PM   #6
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Do you have a aftermarket dogbone?

Quote:
Originally Posted by Ripped ST 151 View Post
The passenger mount looks beat, but I have no clue if it's bad. How much does your car vibrate without the BS assembly?
No bad at idle. I have a vf engineering dogbone, cfm's udp's, a set of crane cams. It is worth it, holds more oil, removes 18+ lbs of static weight & 8 or so lbs of rotational weight. I am looking at Sure motorsports, JBR= James Barone racing transmission & passenger mounts.
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Old 01-08-2013, 07:45 PM   #7
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^yeah, i don't see how removing the balance shaft could make the vibration get worse over time.

Check those motor mounts first.
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Old 01-08-2013, 08:21 PM   #8
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Thanks for the resposes gentlemen. I will check the motor mounts
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Old 01-09-2013, 12:41 AM   #9
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My money is on the mounts... Tranny one under the battery is easy as well as the others, worth changing them out every 2 years anyway... Just try to use OEM on the Passenger mount.. Others will be questionable.. the dog bone one best if you replace with something more solid... and tranny can be anything..

I had same issue...
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Old 01-09-2013, 12:58 AM   #10
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Quote:
Originally Posted by VEGAS View Post
My money is on the mounts... Tranny one under the battery is easy as well as the others, worth changing them out every 2 years anyway... Just try to use OEM on the Passenger mount.. Others will be questionable.. the dog bone one best if you replace with something more solid... and tranny can be anything..

I had same issue...
Vegas, what issue did you have? the crazy amounts of vibration? Also, my plan is to get an OEM passenger motor mount. When you said, "the dog bone one is the best if you replace with some more solid", what did you mean?
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