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1987 G20 lower control arm compatiblity. #730607
December 11th 2017 4:58 pm
December 11th 2017 4:58 pm
Joined: Sep 2015
Posts: 89
So-Cal
C
chevydude1987 Offline OP
journeyman
chevydude1987  Offline OP
journeyman
C
Joined: Sep 2015
Posts: 89
So-Cal
Still trying to find new LCA. I find them for C10s, G10s up to '86, and G30s. But nothing new for G20s. Some say C10 up to '87 will work and some say they won't. Any help would be great. Thanks.

Re: 1987 G20 lower control arm compatiblity. [Re: chevydude1987] #730614
December 11th 2017 8:00 pm
December 11th 2017 8:00 pm
Joined: Mar 2011
Posts: 319
NY
J
jcd74 Offline
enthusiast
jcd74  Offline
enthusiast
J
Joined: Mar 2011
Posts: 319
NY
Moog was supposed to start a R series arm for the C10 but never released it. The 1/2 ton uses the 1.5" shaft though, The 20's biggest problem is the 2" lower shaft, The only other truck to share this shaft is the suburban 2 wheel drive, so all support has dropped off. The 1/2 and 3/4 ton share the same bushings and BJ.

Re: 1987 G20 lower control arm compatiblity. [Re: chevydude1987] #730618
December 11th 2017 10:53 pm
December 11th 2017 10:53 pm
Joined: Sep 2015
Posts: 89
So-Cal
C
chevydude1987 Offline OP
journeyman
chevydude1987  Offline OP
journeyman
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Joined: Sep 2015
Posts: 89
So-Cal
Thanks for the 411. But I actualy need the LCA. The hole for the ball joint is damaged on both.

Re: 1987 G20 lower control arm compatiblity. [Re: chevydude1987] #730621
December 11th 2017 11:43 pm
December 11th 2017 11:43 pm
Joined: Jun 2010
Posts: 13,923
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,923
Van Diego California
Here is a thread where he tore the vna ft end down completely.

Just need to find the part that you need to replace just the ball joint instead of the whole c-arm.

https://www.vanning.com/threads/ubbthreads.php/topics/666385/9


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: 1987 G20 lower control arm compatiblity. [Re: jcd74] #730629
December 12th 2017 6:50 am
December 12th 2017 6:50 am
Joined: Nov 2013
Posts: 1,054
West Texas
W
Wedgy Offline
old hand
Wedgy  Offline
old hand
W
Joined: Nov 2013
Posts: 1,054
West Texas
Hey, GM


Originally Posted by jcd74
The only other truck to share this shaft is the suburban 2 wheel drive, so all support has dropped off. The 1/2 and 3/4 ton share the same bushings and BJ.


There's 5 Suburbans in the yard at the WrenchaPart here in Lubbock 1985, through 1994. If your search for a new LCA doesn't pan out, at least know that they do exist in the Wild. Should be a few in SoCal too.

Good Hunting!

Re: 1987 G20 lower control arm compatiblity. [Re: chevydude1987] #730642
December 12th 2017 9:18 am
December 12th 2017 9:18 am
Joined: Jun 2010
Posts: 13,923
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,923
Van Diego California
You could always call A & B here in San Diego, our largest scrap yard.

http://www.abtruckparts.com/contact-us

Tell him the guy with the big red van sent you ....

Last edited by frscke1; December 12th 2017 9:19 am.

SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: 1987 G20 lower control arm compatiblity. [Re: frscke1] #730648
December 12th 2017 1:39 pm
December 12th 2017 1:39 pm
Joined: Sep 2015
Posts: 89
So-Cal
C
chevydude1987 Offline OP
journeyman
chevydude1987  Offline OP
journeyman
C
Joined: Sep 2015
Posts: 89
So-Cal
Originally Posted by frscke1
Here is a thread where he tore the vna ft end down completely.

Just need to find the part that you need to replace just the ball joint instead of the whole c-arm.

https://www.vanning.com/threads/ubbthreads.php/topics/666385/9

Thanks. I've done a complete overhaul of the front end and replaced anything that needed replacement. The BJ on the LCA is loose. Kinda wigles but shouldn't pop out. So for now the ball joints are welded in to keep it from moving.

Re: 1987 G20 lower control arm compatiblity. [Re: frscke1] #730649
December 12th 2017 1:40 pm
December 12th 2017 1:40 pm
Joined: Sep 2015
Posts: 89
So-Cal
C
chevydude1987 Offline OP
journeyman
chevydude1987  Offline OP
journeyman
C
Joined: Sep 2015
Posts: 89
So-Cal
Originally Posted by frscke1
You could always call A & B here in San Diego, our largest scrap yard.

http://www.abtruckparts.com/contact-us

Tell him the guy with the big red van sent you ....

Thanks. I'll give a call for sure and tell them the dude with the big red van sent me.

Re: 1987 G20 lower control arm compatiblity. [Re: chevydude1987] #730658
December 12th 2017 7:41 pm
December 12th 2017 7:41 pm
Joined: Mar 2011
Posts: 319
NY
J
jcd74 Offline
enthusiast
jcd74  Offline
enthusiast
J
Joined: Mar 2011
Posts: 319
NY
It's pretty messed up being the G20 van is the most popular work van made and no one is making a replacement arm, I have a 84 the last arms I got where from the junk yard, a nice low miles conversion van was picked clean and sent out for scrap. Locally no one is giving up on there vans, so many are being repowered and put back in action. I assume it comes from loyalty and the lack of new V8 rear drive vans.



Re: 1987 G20 lower control arm compatiblity. [Re: frscke1] #730661
December 12th 2017 8:03 pm
December 12th 2017 8:03 pm
Joined: Sep 2015
Posts: 89
So-Cal
C
chevydude1987 Offline OP
journeyman
chevydude1987  Offline OP
journeyman
C
Joined: Sep 2015
Posts: 89
So-Cal
Originally Posted by frscke1
You could always call A & B here in San Diego, our largest scrap yard.

http://www.abtruckparts.com/contact-us

Tell him the guy with the big red van sent you ....

Thanks bro. I called and spoke with Chris. I told him the dude in the big red van sent me. Sure enough he knew you. Well, he says he has some and will inspect before approving them for shipment. Thanks for the 411.

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