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Old 04-04-2012, 10:42 PM   #11
Syracuse315
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Quote:
Originally Posted by Jazzer The Cat View Post
Run around in my car for a while
Will do!


Quote:
Originally Posted by Jazzer The Cat View Post
Seriously, I don't hear anything unusual, so as long as the bolts are tight and suspension is sound, I don't know that I would worry about it.
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That's what I was looking to hear.

Quote:
Originally Posted by UPRSharad View Post
Okay first of all, that video sounded awesome through my headphones!
Thanks! The joy of having an external microphone on the camera. That was just a run up to 3k RPMs, so I'll get a full blast one tomorrow.

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Originally Posted by UPRSharad View Post
Now, about the noise... hmmm... I don't know man. That popping noise at the end of the video, say from around 1:02-1:18 does kinda sound like worn out sphericals, but if those LCAs are new, they would NOT be worn out. They might do that after several YEARS, but not after several hours.
I checked over the sphericals before the install and they looked spotless/shiny. I don't know how they could be worn out.

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Originally Posted by UPRSharad View Post
You could reach under there with the car parked and push/pull side to side and to see if you can replicate the sound?
I had success replicating the noise more from up and down pushing, but I'll get both directions on video tomorrow (Hopefully with more light and with the camera/mic pointed at the spherical ends.
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Old 04-05-2012, 07:13 AM   #12
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"...
Thanks! The joy of having an external microphone on the camera. That was just a run up to 3k RPMs, so I'll get a full blast one tomorrow... "
You'll likely only peg the VU and mic won't pick it up, but give it a try. Just please MAKE SURE you are in a VERY well open area in the middle of nowhere and NOT in a residential or populated area.

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Old 04-05-2012, 07:59 AM   #13
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Jazzer, this is my typical "mess around" spot, the benefits of living near a huge swamp:

Click the image to open in full size.

Or I could just put it in neutral and rev it in the parking lot
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Old 04-05-2012, 10:13 AM   #14
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A couple other questions, mostly related to weight savings:

What are these two black objects for? One feels like a big rubber block, maybe for sound dampening? Can I remove either?

Click the image to open in full size.

Quad shocks can now be removed because of the new LCAs? (I'm assuming yes from the suspension sticky)

Is there any harm removing the big weight attached to the bottom of the axle housing?
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Old 04-05-2012, 10:41 AM   #15
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The "Dogbone" is a vibration dampner and can safely be removed without harm in any way. May hear a bit more noise out back, but will be fine.

yes... yank the quads!

I like your "mess around" spot, as way too many use common streets instead.

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Old 04-05-2012, 02:31 PM   #16
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I like your "mess around" spot, as way too many use common streets instead.
Yea, I'd rather not have to deal with the cops when I do stuff like this:

http://www.youtube.com/watch?v=9EnFhPw-H6o

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Old 04-05-2012, 09:47 PM   #17
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I had success replicating the noise more from up and down pushing, but I'll get both directions on video tomorrow (Hopefully with more light and with the camera/mic pointed at the spherical ends.
And now the video:

http://www.youtube.com/watch?v=s1fcOfjHrns


Any idea about the two black boxes in post #14?
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Old 04-06-2012, 05:33 PM   #18
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Quote:
Originally Posted by Syracuse315 View Post
And now the video:

http://www.youtube.com/watch?v=s1fcOfjHrns


Any idea about the two black boxes in post #14?
Woah. Now I'm stumped. The knocking with the side to side motion from :10 on eliminates the sphericals as the culprit, in my opinion.

Does it still have the stock UCAs?

About the black boxes... there was a weight reduction thread on modulardepot.com about ten years ago... I believe they were listed there, but I don't remember the details.
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Old 04-06-2012, 06:47 PM   #19
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I'm with you on this, something is not quite right.
Either 2 parts are interfering or something is loose. Sphericals do not make noise when new.

Maybe you could replicate the video with the camera pointing at different components? And different directions? It might take a few tries, but you should be able to find the culprit.

Good luck.
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Old 04-06-2012, 07:19 PM   #20
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I agree with Old and what I was gonna say. My first thought, was that something is loose. Just get it up on a set of blocks and climb under there with a buddy moving it just like you are in the vid. Use a stethoscope or hollow tube up against different parts to isolate the location of noise.

You will find it, as it will not be mistakeable.

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Old 04-06-2012, 07:19 PM
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