Adjustable Upper Control Arm Needed? - Mustang Evolution

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Old 04-29-2015, 12:05 AM   #1
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Adjustable Upper Control Arm Needed?

So I have a SR springs, a one piece driveshaft, and purchased BMR lower control arms with relocation brackets. My questions is I purchased a BMR non adjustable upper control arm as well but will need to get the adjustable one? Is it really needed to get that one for will non adjustable one be fine?


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Old 04-29-2015, 12:57 AM   #2
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Adjustable is best so you can adjust the pinion angle, especially since you have the one piece driveshaft.


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Old 04-29-2015, 01:59 AM   #3
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Quote:
Originally Posted by Soccerluvr4 View Post
Adjustable is best so you can adjust the pinion angle, especially since you have the one piece driveshaft.


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Will I need to do the pinion angle adjustment?


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Old 04-29-2015, 02:25 AM   #4
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Old 04-29-2015, 12:41 PM   #5
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Do the LCA relocation brackets adjust the pinion angle as well? But perhaps not as good as the screw adjustment on a UCA??
Or do the LCA relocation brackets only correct the LCA angle?
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Old 04-29-2015, 01:20 PM   #6
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LCA brackets correct LCA angle and keep power going to the ground after lowering.

UCA adjusts pinion angle.


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Old 04-29-2015, 01:28 PM   #7
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Old 04-29-2015, 04:58 PM   #8
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Quote:
Originally Posted by au01st View Post
LCA brackets correct LCA angle and keep power going to the ground after lowering.

UCA adjusts pinion angle.


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Thanks!
That's an excellent video. I came across it while searching for replacing 2 pc DS with 1 pc and the need to correct pinion angle.
I'm surprise that with all the talk about changing DS's, there's never much if anything said about checking the pinion angle when changing type of DS.
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Old 04-29-2015, 06:17 PM   #9
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I believe pinion angle must be adjusted after lowering you car not from changing driveshafts. Changing driveshafts won't effect pinon angle, but lowering does.
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Old 04-29-2015, 09:35 PM   #10
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Quote:
Originally Posted by iguanaman3 View Post
I believe pinion angle must be adjusted after lowering you car not from changing driveshafts. Changing driveshafts won't effect pinon angle, but lowering does.
In addition to lowering requiring pinion angle correction, everything I find on the subject says that there's a different pinion angle recommended for a 1 piece vs. a 2 piece D.S.
EDIT: On the other hand Shaftmasters Product Description on 3.5" Mustang Aluminum Drive shafts includes a statement, "No need to adjust pinion angle from Factory OEM setting".
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