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Old 08-29-2013, 01:58 PM   #15
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going to put her on a lift tonight and just check everything and lock tite and tighten the bolts hope that works
I hope you find the problem! Let us know!
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Old 08-31-2013, 07:39 AM   #16
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went through it nothing was really loose . but we hit everything to make it as tight as it can be, adjusted the spring perch in the rear because it was a little tiny bit off. Car felt fine at first then the next day it started doing it again.
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Old 08-31-2013, 07:46 AM   #17
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It is very unlikely that the rear cradle bushings are creating the issue you are having. The BMR rear cradle bushings are a physically large bushing and they would have to wear considerably to create the symptoms you are having and I honestly just don't see that happening with them since there is very little movement when they are installed in the rear cradle. I would inspect the bushings in the toe rods and trailing arms and make sure there isn't any unwanted movement. I would also look at the rear sway bar and make everything looks kosher there. Once you narrow it down a little bit more let us know what you find.
my trailing arm bushings were replaced already because of the last issue I had
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Old 08-31-2013, 07:48 AM   #18
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That sucks man! Is there any evidence of the cradle moving around? I had a similar issue but more when I accelerated the tail end would wag. I replaced my BMR cradle inserts with Pedders full bushings and problem solved!
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Old 08-31-2013, 07:52 AM   #19
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nothing that I can see so far,
time to start swapping parts is coming just was hoping It was an easy fix.
really hate spending money and time on parts I already replaced.
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Old 08-31-2013, 08:42 AM   #20
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you are not going to find the problem with the suspension under no load. it wont show up
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Old 08-31-2013, 08:47 AM   #21
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you are not going to find the problem with the suspension under no load. it wont show up
Maybe not but at least he knows everything is tight! OP, how far are you from Wretched Motorsports? They're in Enfield CT. Just a suggestion, call Rob and see if he can check it out for you!
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Old 08-31-2013, 09:42 AM   #22
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after every adjustment we made the car was road tested

getting time to head up there is the issue but ill keep it in mind Thnx
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Old 09-03-2013, 09:46 AM   #23
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my trailing arm bushings were replaced already because of the last issue I had
If you didn't replace the bushings in the trailing arms themselves I would at least take the time to check them out. It doesn't take too much time to verify if the poly-urethane bushings are good or not in the trailing arms and toe rods.

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That sucks man! Is there any evidence of the cradle moving around? I had a similar issue but more when I accelerated the tail end would wag. I replaced my BMR cradle inserts with Pedders full bushings and problem solved!
The cradle inserts only do so much to control that movement back there since they work in conjunction with the factory rear cradle bushings. Going with full poly-urethane replacement rear cradle bushings is always a better option and will control the rear cradle substantially better.
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Old 09-03-2013, 02:08 PM   #24
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If you didn't replace the bushings in the trailing arms themselves I would at least take the time to check them out. It doesn't take too much time to verify if the poly-urethane bushings are good or not in the trailing arms and toe rods.



The cradle inserts only do so much to control that movement back there since they work in conjunction with the factory rear cradle bushings. Going with full poly-urethane replacement rear cradle bushings is always a better option and will control the rear cradle substantially better.
Agreed!
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Old 09-12-2013, 04:06 PM   #25
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So wht was the problem ?
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Old 09-15-2013, 09:19 PM   #26
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Havent had the time to mess with it further

New wrinkle after runs at wot the car does it

Saving up to replace the trailing arms toe links and all the bushings just going to take a while

So far
Alignment is fine
Nothing's loose

Did notice the wheel shaking today (not terrible) going to have the tires rebalanced even though I'm pretty sure that's not it just to eliminate it
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Old 09-16-2013, 03:30 PM   #27
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Hope you can straighten every thing out soon . Good luck
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Old 09-18-2013, 09:56 PM   #28
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I had posted my last suspension nightmare a few months ago that turned out to be a trailing arm bushing now another issue awesome ( Ty again JDP )

My car had slight bump steer for a while wasn't too bad hitting bumps and going around curves the car would shimmy kind of like wobble back and fourth motion like a sway

Anyway took the car to Detroit and back for Bbomg5 now the car is 100 times worse cars moving a lot out on the road def not cool.

The car
1SS 76 mil turbo
Pfadt springs 1.25 drop
Sphon tunnel brace
BMR trailing arms
BMR toe rods
BMR full poly subframe bushings
9 inch forgestars 11 inch rears
Pfadt sway bars front and rear
Stock end links
Cars alignment is perfect tire pressures fine
Not a balancing issue bc them it would vibrate and shake

Is it the poly subframe bushings ? i have heard they move.
Any help or ideas would be greatly appreciated
There is no reason to gues at this.

If you think the rear sub-frame bushings are the culprit use a GoPro or similar camera and get a bit of video on the rear sub-frame bushings. Post it here.

If that isn't conclussive we'll point that camera at a few more critial locations until we isolate the issue and identify a fix.
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