Needs Pic's Of Backing Plates Installed

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Oct 22, 2017 | 05:45 PM

#21

Driver2

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try this

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Oct 22, 2017 | 05:53 PM

#22

Driver2

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couple more

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Oct 22, 2017 | 06:17 PM

#23

Driver2

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more pics i hope

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Oct 22, 2017 | 06:48 PM

#24

Bob@BruteSpeed

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Part of the problem might be that you don't have a sway bar on it, I'd put an anti roll bar on it so you can pre-load it at the track. Bob

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Oct 23, 2017 | 11:50 AM

#25

MidwestChassis2

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A couple things I noticed. You do not have the PHB brace in place on the pictures, it does serve a purpose. Also looking at your LCA and the heim joint side. You never want more threads showing that is greater than the heim joint itself. So being a 3/4 heim joint you do not want 3/4 of thread showing after the jam nut.

Oct 24, 2017 | 04:24 PM

#26

Driver2

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Quote:

Originally Posted by MidwestChassis2

Thanks thats a big help.

Oct 24, 2017 | 04:24 PM

#27

Driver2

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Quote:

Originally Posted by Bob@BruteSpeed

Part of the problem might be that you don't have a sway bar on it, I'd put an anti roll bar on it so you can pre-load it at the track. Bob

Thanks Bob thats a big help.

Oct 24, 2017 | 10:51 PM

#28

Z28SteveA4

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I didn't realize you didn't have anything sway bar related that might be a huge help! Def go anti sway. I just ordered the Midwest chassis one for my Dana 60. It looks like a real nice piece! Can't wait to get it on. One last thing I did notice is it looks like your drag radial is on backwards. The passenger side one should be on the driver side looking at the rotation of the tire.

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Oct 28, 2017 | 11:01 AM

#29

Driver2

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Quote:

Originally Posted by Z28SteveA4

Thanks. I would have never noticed the tires are on wrong. lol. I just got a set of Midwest lower control arms yesterday which are double adjustable.

Oct 29, 2017 | 12:46 AM

#30

Launch

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Because you are not running the panhard bar brace, theres a chance the mounting area of your panhard bar has weakened and it's flexing, and that is making your rear end move side to side....

put the brace back on. if you need to notch it for the 9", do so, and then strengthen it again with some steel plate which is what ive done wiith my S60 as I have a moser rear cover and it stuck out into the factory panhard bar brace

Oct 29, 2017 | 07:15 AM

#31

Bob@BruteSpeed

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The brace fits with the Moser 9 inch. Bob

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Oct 29, 2017 | 02:28 PM

#32

Driver2

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Quote:

Originally Posted by Bob@BruteSpeed

The brace fits with the Moser 9 inch. Bob

Thanks Bob! I put it on today. It was the only piece I didn't scrap which i found it sitting in the corner of my garage which made me a happy man. I didn't have to go too the junk yard looking for one. Question? Can or has anyone put one lower control arm say in the second hole on the rear end and one on the other side in the lower hole on the rear end to get the rear end square in the car? Reason I ask is i set both control arms with four threads showing on each side but the drivers side wheel sits closer to the rocker than the left side? Just wondering?
Thanks,Bill

Oct 29, 2017 | 06:21 PM

#33

Bob@BruteSpeed

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Good to hear Bill! I'd adjust the lower control arms to center the rear, and bolt both lower control arms to the bottom hole in the lower control arm brackets. Bob

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Oct 29, 2017 | 07:19 PM

#34

Launch

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Quote:

Originally Posted by Driver2

Question? Can or has anyone put one lower control arm say in the second hole on the rear end and one on the other side in the lower hole on the rear end to get the rear end square in the car? Reason I ask is i set both control arms with four threads showing on each side but the drivers side wheel sits closer to the rocker than the left side? Just wondering?
Thanks,Bill

From my experience when the 4 wheels of the car are aligned properly, my rear tires don't sit exactly the same in the wheel wells.. one tire will be closer by nearly 1/4" to the rocker or rear bumper, than the other tire. And my car definitely has never been accident damaged.

I've checked this over and I think GM made the chassis first, and then drilled the holes afterwards for the LCA's with some kind of jig, to square/align the rear end with the front of the car. Because my LCA holes in the chassis are drilled 1/4" off to each other forward/back, when I measure underneath from other points on the chassis of the car.

But I have adjusted my LCA's to the exact same length, because the stock LCA's that came out where identical length, and the car had been 4 wheel aligned with them and it drove perfectly at all speeds. And one of my rear tire was always 1/4" closer to the rear bumper than the other.

If guys are just adjusting their LCA's to make the gap between the tires and rear bumper and 1/4 the same on both sides, and not getting the car 4 wheel aligned, they could be placing their rear axle crooked in the car and it's not aligned square to the chassis or front wheels.

I'd bet that there's variances between these cars from one to another, and if you're not going to get someone to 4 wheel align the car properly, if the car was fine previously with stock LCA's and never had any issues, me I'd be adjusting the new LCA's to be the same length as each other and ignore the gap between the rear tires and bumper or rocker panel.

Last edited by Launch; Oct 29, 2017 at 07:24 PM.

Nov 4, 2017 | 12:38 PM

#35

Driver2

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I'm at my last nerve with this rear end. I installed the pan hard brace and bought double adjustable lower control arms from Midwest Chassis and adjusted everything and tried backing out of the drive way rear end moves left to right or right to left depending on which way I turn. Had to keep jacking rear end up and move car a little at a time to get it back straight into drive way. Everything is tight and equal threads showing on control arms!! Damn if i know whats going on. All i know is i messed up a fresh paint job and tore the hell out of my drivers side lower rocker. The only other thing i can think of is the bearings or movement with in the rear end its self. Its got to be moving 3-4 inches from one side to the other.

Nov 4, 2017 | 12:48 PM

#36

Bob@BruteSpeed

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Bill, did you ever get a sway bar on it? Bob

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Nov 4, 2017 | 01:15 PM

#37

Driver2

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No but I bet there is a lot of guy's running this set up without a sway bar. That should have been in Moser's instruction that u must run a sway bar! I guess I'll buy one and see if that helps but it would have been nice if Moser stated this from the get go. I didn't read that in their instructions I must of over looked it.

Thanks For The Help Bob

Nov 4, 2017 | 02:34 PM

#38

Bob@BruteSpeed

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Quote:

Originally Posted by Driver2

I've never run into your problem before, but I don't know of anyone who isn't either running a swaybar or an anti roll bar. If your car is going to be seeing any track action, I would have an anti roll bar on it. You can see my BMR anti roll bar in this pic. Thanks Bill. Bob

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Nov 4, 2017 | 03:19 PM

#39

Driver2

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Thanks Bob! I don't have a problem buying a sway bar I'm just not convinced it's my problem. I can see the benefit running a sway bar for sure. I don't know what the hell is going on? I think I'm going to pull the 3rd member and see if it's something in there. DON'T KNOW!!

Nov 4, 2017 | 06:01 PM

#40

Bob@BruteSpeed

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Quote:

Originally Posted by Driver2

You're welcome. I don't see the center section being a problem. The axle/wheel bearings are pressed on the axles, and the brake backing plates prevent the axles from sliding out. If an axle could possibly slid out, more than likely you'd have gear lube leaking out, plus I highly doubt the axle would willingly go back in on it's own. Bob

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