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AC compressor stabilizer bar stud

Old May 31, 2013 | 12:46 PM
  #1  
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AC compressor stabilizer bar stud

I'm looking for the double ended stud that replaces one of the water pump bolts where the A/C compressor bracket stabilizer bar attaches to for a driver side mounted compressor.

I thought I would try running without it at first but my compressor brackets are able to flex slightly and with my solid motor mounts at idle the entire car vibrates pretty harsh like a motorcycle when the compressor is running.

Does anyone know where I can get this part?
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Old May 31, 2013 | 05:50 PM
  #2  
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Re: AC compressor stabilizer bar stud

Don't know of any such thing...

The only bar I know of, goes from the bracket at the back of the compressor, to the intake manifold.

You're right though, without it, the whole thing is just floppy loose. Nowhere near enough stiffness in certain directions.
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Old May 31, 2013 | 06:15 PM
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Re: AC compressor stabilizer bar stud

Name:  9-12.gif
Views: 390
Size:  147.1 KB
what part are you looking for ?
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Old May 31, 2013 | 11:43 PM
  #4  
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Car: 1985 Z28
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Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: AC compressor stabilizer bar stud

I'm not sure if I see it on there or not. I see the support bars but I know there was a longer one that went from the top of the A/C bracket back down to the exhaust manifold. I didn't take that one because I have headers.

Here are some pictures of the piece I am talking about and also a pic of me holding it exactly the way it was mounted. IIRC, it was attached to the engine via the top driver side water pump to block bolt. The way I am holding it in the photo, it is of the perfect length and shape to attach in this manner.

It is roughly 7" long.
Attached Thumbnails AC compressor stabilizer bar stud-img_20130601_002839.jpg   AC compressor stabilizer bar stud-img_20130601_001712.jpg  

Last edited by FireDemonSiC; May 31, 2013 at 11:51 PM.
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Old May 31, 2013 | 11:46 PM
  #5  
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Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: AC compressor stabilizer bar stud

Also another question. I see in that diagram on #9 where it appears a bolt goes through the hole in the two rear brackets into the compressor. Is that how it should be because it sure looks possible when I look at mine and there is an extra bolt from the donor car setup I can't remember the location to.
Attached Thumbnails AC compressor stabilizer bar stud-img_20130601_002514.jpg   AC compressor stabilizer bar stud-img_20130601_002643.jpg  
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Old May 31, 2013 | 11:52 PM
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Re: AC compressor stabilizer bar stud

Name:  acbrace003_b.jpg
Views: 310
Size:  59.7 KB

Looks like its a 3/8-16x2.5 3/8-16x75 I will look tomorrow I might still have it.

Last edited by Tuned Performance; May 31, 2013 at 11:59 PM.
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Old Jun 1, 2013 | 12:06 AM
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Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: AC compressor stabilizer bar stud

Originally Posted by Tuned Performance


Looks like its a 3/8-16x2.5 3/8-16x75 I will look tomorrow I might still have it.
Is it going into the front of the intake manifold?
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Old Jun 1, 2013 | 12:19 AM
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Re: AC compressor stabilizer bar stud

The stud for the brace goes to the upper water pump mounting hole and should have thread sealer on the block side.
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Old Jun 1, 2013 | 12:23 AM
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Re: AC compressor stabilizer bar stud

To answer your question it does look like there are 2 bolts holding the bracket to the compressor. the last time I removed the ac brackets was in 04 so I really don't recall.
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Old Jun 1, 2013 | 12:47 AM
  #10  
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From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: AC compressor stabilizer bar stud

Originally Posted by Tuned Performance
The stud for the brace goes to the upper water pump mounting hole and should have thread sealer on the block side.
That's exactly the part I'm looking for.
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Old Jun 1, 2013 | 01:37 AM
  #11  
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Axle/Gears: J65 pbr on stock posi 10bolt
Re: AC compressor stabilizer bar stud

Looks like all I have left is the ps and alt upper bracket and some of the bolts. I'm sure it would be a common stud on a small block or 3.4L you could find at the bone yard.
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Old Jul 8, 2018 | 05:23 AM
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Re: AC compressor stabilizer bar stud

Does anyone have the exhaust mounted stabilizer bar?
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Old Jul 8, 2018 | 05:48 AM
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Re: AC compressor stabilizer bar stud

This is on my '86:

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