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#1 |
Registered User
Join Date: Feb 2016
Location: Yuma az
Posts: 2
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Upper control arm shafts
I have 1970 c10 swb I'm currently restoring. I have come to a bump in the road because 3 different sets of upper control arm shafts seem to be a bit loose on the frame studs as if the holes were too big. Is this normal for there to be some play on this part? I believe the studs on the frame are original because I ordered some specific hardware from Lmc and it goes on the stud just fine. Can anyone shed some light?
Thanks Posted via Mobile Device |
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#2 |
Registered User
Join Date: Oct 2013
Location: Dresden, Ontario
Posts: 647
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Re: Upper control arm shafts
The studs don't fit tight in the hole. A little play is normal.
__________________
1970 Short Wide 5.3 4L60E BlackBear tune 3:73 gears, Boyd's Tank 2.5 / 4 drop 5 lug disc brakes Vintage Air 18x8 Ridlers 255/55 frt. 18x9.5 275/60 rear |
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#3 |
Registered User
Join Date: Feb 2014
Location: Los Angeles area :(
Posts: 499
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Re: Upper control arm shafts
C10 studs are 1/2". C20 studs are 9/16". Make sure you are getting the right shafts.
CPP's upper arms are listed for a C10, but their holes are 9/16", which pissed me off. Way too loose. So I drill them larger bushed them for 1/2" studs. Alignment wasn't a problem. So you can do that, or replace the studs with 9/16". (that is, if you actually have a problem, they may fit better than I am thinking)
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'68 C10 SWB '85 K30 Blazer |
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#4 |
Registered User
Join Date: Mar 2009
Location: WARRENSBURG,MISSOURI,64093
Posts: 1,518
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I second the loose fit, but not that loose as in 9/16" holes, they probably did send you the wrong shafts....
Ben ![]() |
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#5 |
Registered User
Join Date: Feb 2016
Location: Yuma az
Posts: 2
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Re: Upper control arm shafts
Thanks for the help, somehow I got the ones with the 9/16" holes 3 times when I asked for c10 parts. Lmc told me they were looking into it and they'd call me back
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#6 |
Registered User
Join Date: Feb 2014
Location: Los Angeles area :(
Posts: 499
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Re: Upper control arm shafts
there you go
swap out and be happy ![]() easy
__________________
'68 C10 SWB '85 K30 Blazer |
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