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New Suspension help

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Old 08-18-2010, 04:41 PM
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Default New Suspension help

Friday I got my Adj torque arm, panhard bars, and LCA's installed all are bolt on, adjustable, and have relocations. The guy that did the install said that he set them back up as close to stock as possible, doing this because I am planning on having some additional work/ wheels and tires installed in a few weeks. The problem im having is that the car feels a little loose when driving at highway speeds and I have been hearing an occasional clunk.... I have been under the car and everything is tight and looks good....
Any ideas?
Old 08-18-2010, 07:42 PM
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Define loose? Nascar loose or sloppy? My first inclination is "welcome to the world of polyurethane bushings". You are going to notice a lot of "noise" with them. That being said, did you grease the bushings on everything? 1 - 2 pumps is all you need per bushing.
Old 08-18-2010, 07:49 PM
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everything had the polyspherical rod ends, not sure as far as everything being greased... first assumption would be yes, because the shop that did it is very highly recommended and also race in their spare time so I would think they know what they are doing pretty well. As far as the looseness, not very sloppy just kind of a lack of traction feeling. feels like the rear wheels are in a constant hydroplane in a way. It's not a very bad feeling though. I am glad you said something about noise, I was kind of worried about that.
Old 08-18-2010, 08:00 PM
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If it has rod ends then they will be noisy. If the pinion angle is not set right that can affect how the rear end feels so can the rest of the adjustments
Old 08-18-2010, 08:02 PM
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So from what I have read, the recommended pinion angle for the Torque Arm would be -2 for an automatic.. is that correct?
Old 08-18-2010, 08:11 PM
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Yeah -2 is what you want
Old 08-18-2010, 08:13 PM
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ok, I will get that set up and see if it feels better... Thanks for the help.
Old 08-18-2010, 08:38 PM
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did you physically check the bolts to make sure they were tight or did you just look at them? rod ends are gonna be a little more noisy, but it shouldnt be clunky.
Old 08-19-2010, 08:59 AM
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He went over the car with me before he gave it back and he checked all the bolts right before he lowered the car off the lift.
Old 08-19-2010, 09:41 AM
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Was the suspension loaded when he tightened the bolts?
Old 08-19-2010, 09:50 AM
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The lift he was using was not a drive up, so unless he lowered it to tighten the bolts (highly unlikely) i don't think it was.
Old 08-19-2010, 12:07 PM
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All the adjustments and final tightening of the bolts should be done with the suspension loaded
Old 08-19-2010, 02:07 PM
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I called another suspension shop tomorrow and they are going to look at it tomorrow. Hopefully that will get the problems fixed. After driving it today i realized that it starts at about 60mph and feels more like the wind is pushing the car than a hydroplane. Also now with the new headers, there is a lot more noise so I am having to get used to what is going to be normal and what is bad...




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