Lower control arm

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driver

Not-quite-so-new-guy
Mar 21, 2013
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Need help
Im in the proces of buying a new lca passenger side in my 81 cutlass
Now if im right a lca from a s10 would fit
Only thing to make it 100% is to replace the busshings for a cutlass set
Please correct me if i am wrong
The lca i am looking at is the moog rk 620251
Thanks in advance
A european member
 
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spidereyes455

G-Body Guru
Mar 6, 2013
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From what I've heard, many people who use the s10 lower arms just drill out the mounting holes on the frame to accept the larger truck bolts. Seems to me that would be much easier and quicker than changing the bushings out.
 
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69hurstolds

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Jan 2, 2006
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One of the biggest problems for most folks, INCLUDING S-10 owners, is that they have no freaking idea where to get the front LCA M14 bolts for the front position. They don't know the size or anything.

So....I'll never swear to knowing for sure, but a little parts book told me....

M14x2.0x110, GM p/n 11509777. Are these the same exact length as the front LCA bolts on a G-body? YES. The front LCA bolt on the FRONT side for G-body is GM p/n 11500952. Discontinued from GM. M12x1.75x110.

Problem I'm seeing with the G-body parts book however, is I see the bolts are listed "backwards" in the illustration manual. The front position front LCA bolt says it's 95mm long, but it's wider than the rear so I don't see how or why they would do that. It only makes sense to believe that they accidently swapped them. 110 mm in front, 95 mm in the rear. Parts book shows them azz-backwards.

Since the GM front LCA front bolt for a G-body is discontinued, if you need a new M12 bolt for the front side of your front LCA, you can get a Mopar part #6502809. It's the same exact size per specs, however I've never actually laid eyes on one.

For reference, the top bolts to hold the front UCA to the frame are GM p/n 461854, same as a G-body. M12x1.75x66

The front LCA bolt on the rear side is the same as the rear control arm bolts for a G-body, p/n 11502603. M12x1.75x95

M12x1.75 nut is GM p/n 11516073 which fits rear Upper Control Arm bolts on a G-bod as well.
 
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Rktpwrd

Builder of Cool Shjt
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Feb 2, 2015
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Since the GM front LCA front bolt for a G-body is discontinued, if you need a new M12 bolt for the front side of your front LCA, you can get a Mopar part #6502809

It’ll be a cold day in hell before I’ll ever put a Mopar part on any of my cars, hardware or otherwise. 😝👎🏻
But that’s just me.
 
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69hurstolds

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It’ll be a cold day in hell before I’ll ever put a Mopar part on any of my cars, hardware or otherwise. 😝👎🏻
But that’s just me.
It'll be a cold day in Canada....oh, wait...

I do agree. I'd rather roll in the mud under a G-body at the wrecking yard and snag a bolt or two if needed than put a Mopar part on my car.

It'd be like knowing you have a pig's liver or something. Sh*t ain't natural.

But for those who Frankenstein their cars, it's an option. Maybe.
 
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ssn696

Living in the Past
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Jul 19, 2009
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It’ll be a cold day in hell before I’ll ever put a Mopar part on any of my cars, hardware or otherwise. 😝👎🏻
But that’s just me.
Do you have a Jeep steering shaft installed?
 
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69hurstolds

Geezer
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Jan 2, 2006
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Do you have a Jeep steering shaft installed?
tenor.gif
 
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