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Old 05-01-2017, 02:30 PM   #1
Orange67
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Re: control arms R&R: upper studs, lower ubolts

I believe so. Truck has zero "center" feel, literally thought I had installed the center link backwards... But nope. Hopefully soon I can tear it back apart. I've got some shafts that were on a GMC I got my front disc setup off of that were in great condition.
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Old 05-01-2017, 03:35 PM   #2
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Re: control arms R&R: upper studs, lower ubolts

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Originally Posted by Orange67 View Post
I believe so. Truck has zero "center" feel, literally thought I had installed the center link backwards... But nope. Hopefully soon I can tear it back apart. I've got some shafts that were on a GMC I got my front disc setup off of that were in great condition.
Can you not install them flipped so the holes are offset the other direction and be OK?
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Old 05-02-2017, 07:13 AM   #3
Orange67
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Re: control arms R&R: upper studs, lower ubolts

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Can you not install them flipped so the holes are offset the other direction and be OK?
Unfortunately, no. The pin is at the front end of the shaft, towards the front end of the cross member. They only go on one way.
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Old 05-02-2017, 09:42 AM   #4
weq92f
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Re: control arms R&R: upper studs, lower ubolts

Anybody have input on the original questions:

Replace lower ubolts/nuts and upper studs for mounting A-arms?

Replacement rotor options?

thanks,

-klb
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Old 05-02-2017, 10:46 AM   #5
Grumpy old man
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Re: control arms R&R: upper studs, lower ubolts

Upgrade to the 9/16 u-bolts about $8.00 each side and the upper control arm bushing kits run about $25.00 each and you should be able to get them from your local parts store . a quick check showed auto zone has them in stock . always check your local parts house before having anything shipped that way if there is a problem it's an easy face to face fix .
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Old 05-05-2017, 08:12 PM   #6
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Re: control arms R&R: upper studs, lower ubolts

The deed is done. Upper and lower arm shafts, bushings and seals all replaced. Ended up just reusing the u-bolts/nuts and the upper studs.

New ball joints all around too.

Went to major parts houses and did not find the 9/16 u-bolt upgrade items: HELP part#13503... so just used what I had, including the nuts and washers.

Now I need to put everything back together... springs, spindles, shocks, brakes and sway bar.

-klb
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Old 05-05-2017, 09:40 PM   #7
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Re: control arms R&R: upper studs, lower ubolts

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Originally Posted by Grumpy old man View Post
Upgrade to the 9/16 u-bolts about $8.00 each side and the upper control arm bushing kits run about $25.00 each and you should be able to get them from your local parts store . a quick check showed auto zone has them in stock . always check your local parts house before having anything shipped that way if there is a problem it's an easy face to face fix .
Can someone explain the need to change the u-bolts to 9/16"?
Thanks.
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Old 05-05-2017, 10:06 PM   #8
Grumpy old man
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Re: control arms R&R: upper studs, lower ubolts

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Can someone explain the need to change the u-bolts to 9/16"?
Thanks.
my mistake they are 1/2 thick ubolts , heavier than stock, just an upgrade and why not upgrade to new heavier bolts rather than re use 50 year old suspension parts that have been known to break ? If your rebuilding your front end whats another $20.00 and peace of mind ?
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