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9"/12 Bolt Guys: Relo Brackets Needed?

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Old 03-21-2006, 12:37 AM
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Question 9"/12 Bolt Guys: Relo Brackets Needed?

Hey guys - I'll be going to a 9" or 12 Bolt in the next month (haven't made up my mind yet, likely 12 bolt). The car is getting full rear suspension at the same time, the only thing I'm leaving stock is the springs. That being said, the car shouldn't sit any lower, and I never plan on using lowering springs (I might take the isolators off the stockers).

Will I need to buy relocation brackets anyways?

If not - is there any advantage to doing so?


The car is going to be launched HARD at the track, and traction will be a must. Thanks in advance folks!
Old 03-21-2006, 04:28 AM
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Yes Relocation brackets are the fyrst suspension mod you should do
Old 03-21-2006, 04:36 AM
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I have them on my 12 bolt. you will want them.
Old 03-21-2006, 12:38 PM
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Okay cool. Any idea why they help a vehicle that is still stock ride height?
Old 03-21-2006, 01:00 PM
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I am skeptical on this topic. I put them on my 10-bolt and did not notice a difference (stayed arround 1.9 60' even with DRs dead hooking). Then I did a torque arm and BAM 1.6-1.7 60' runs all day long. I understand a lowerred car would benefit most but not sure on stock height.
Old 03-21-2006, 01:02 PM
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Anyone go from TA and no brackets to TA with brackets and see a difference? I am doing a 9" and am looking into brackets for my new rear too.
Old 03-21-2006, 01:08 PM
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i went from an average of 1.65-1.70 to 1.60-1.65 with the relocation brackets.
well worth it to me.
Old 03-21-2006, 08:01 PM
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My car sits near stock, and my instant center is behind the car without relocation brackets. I think the control arm mounts are higher on the 9" in relation to the stock 10 bolt. So if you want all your suspension geometry to be right you will need them.
Old 03-22-2006, 04:32 AM
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yes i did everything before i did the relocation brackets when it should have been the first and mine is not lowerd either
Old 03-22-2006, 09:12 PM
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I do not have them and my car does pretty well.....
I would look at the LCA position once the rear end is in there. and test it on a track that is worth a cuss, ie Jackson comes to mind.
I have some on the shelf for the Moser for IF i need them, so far I dont.
Old 03-22-2006, 11:14 PM
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From the Spohn site:
Repositions your instant center by lowering your control arm angle for increased traction and anti-squat. Lowers rear of control arm up to 3". This product is a must for lowered vehicles to correct your suspension geometry. Lowering your vehicle alters the LCA angle putting the rear of the LCA higher than the front of the LCA, this causes massive wheel hop and traction loss.

NON-LOWERED vehicles will also see a dramatic increase in traction by lowering the rearward angle of the LCA with our relocation brackets. The lower mount holes are placed in the arc pattern of the OEM length LCA. Therefore allowing a non-lowered F-Body to drop the rear LCA angle and NOT require a longer than OEM LCA. All geometry is correctly maintained. The anti-squat performance is providing most users with a full .10 or better 60' reduction!
Old 05-06-2006, 08:29 PM
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both mine and my buddy's car (shop twins, identical set-ups (almost, haha)) noticed our LCA's were parallel to the ground after our 9" swaps.
Old 05-08-2006, 10:39 PM
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hey i have some hotchkis lower control arms, but they do not sell reloction bracket, what relocation brackets can i use, BMR?

or do i need to get new LCAs too?
Old 05-09-2006, 04:15 PM
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I did not need them lowered on the 10bolt, but once I isntalled the 12bolt my LCA angle was way off and experienced horrible wheel hop. It would be a good idea to get them with the 12bolt.

Originally Posted by jdoyle
hey i have some hotchkis lower control arms, but they do not sell reloction bracket, what relocation brackets can i use, BMR?

or do i need to get new LCAs too?
An LCA is an LCA is an LCA. You can use any relocation bracket, I used BMR I think with Spohn adj LCA's




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