Author Topic: Sanden Compressor Modification - No more A6  (Read 473 times)

olds403

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Sanden Compressor Modification - No more A6
« on: September 16, 2018, 03:38:11 PM »
Decided to try out the Sanden Modification.  Seen a few cars with the Vintage Air set up, but did not want to do all that work just for a modern compressor.  My A/C system was complete, but really like the way this modification cleans up the engine on the Olds 403. Considering the A6 takes up a lot of room on the Olds 403 I decided to figure it out.  Plus now I can actually see my passenger side and get to the spark plugs.  If I ever run headers again sure makes it easy now. 

Hard part was the bracket and getting all the fittings.  First bracket did not work out as that one was for a Vintage air with Olds 350.  The Olds 403 has different brackets so that took time to figure out and looked at all the installation manuals for the complete kit and figure out how to do compressor and lines only. 

Start with 4860 FLX7 Sanden Compressor - this is the newer 7 cylinder one.  Not the cheapo 5 and 6 cylinder
Vintage Air Bracket - Hard to find - Summit Racing - special order  - 1401026
Universal A/C Compressor Swivel Manifold - Ebay
AC Adapter Harness A6 to FLX7 -Harness Assembly Sanden  02-3140   truckerac.com
Barrier Hose
Fittings.  This was a bit of trial and error.  I probably spent $100 in fittings and hose getting all the right ones.  There is one that is special and you have to go down from #12 to #10 on the compressor.  I can probably figure out all the fittings used.  Better yet you spend the money and learn like I did.
Hydraulic hose crimper - If you send me your lines and mark them - can crimp them.  You just have to cover the shipping and $25.00 for my time.

I think it really looks good and cleans things up. 
















« Last Edit: September 16, 2018, 03:45:17 PM by olds403 »

lugnuts

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Re: Sanden Compressor Modification - No more A6
« Reply #1 on: September 20, 2018, 09:26:52 AM »
My A6 compressor is locked up so I'll need to do something. Was going to replace the A6 to keep the factory look but maybe I should just go this route. Not sure on the condition of the rest of my system though.
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Grand73Am

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Re: Sanden Compressor Modification - No more A6
« Reply #2 on: September 20, 2018, 05:26:57 PM »
That certainly looks like good work you've done.

But for most of us, an easier solution would be to buy the Classic Auto Air upgrade kit with the Sanden compressor, since everything's already figured out and made to fit for you. Comes with mounting brackets for the compressor, lines, hoses, accumulator, etc to upgrade your underhood components for a reasonable price. Below is a link to the eBay listing. The photo shows a 400 engine, but the listing is for a 403. You would keep and use your old evaporator and condenser. It's about $500.

You can buy a more expensive kit from them for about $1000, that includes new improved, parallel flow evaporator and condenser, which is what I did, so all the a/c components are new. I'm happy with the quality of the parts and the fit. I have it all put together, but it'll be about a month before I have it running, so I can't say how well it cools yet, but I expect it will work well.

I just noticed they have an upgrade kit with just the condenser added, for $850 too. So, there's a variety of options.

https://www.ebay.com/itm/77-79-Firebird-Olds-403-A-C-COMPRESSOR-UPGRADE-KIT-STAGE-1-Air-Conditioning-AC/400311836222?hash=item5d3471de3e:g:NcUAAMXQLNpQ5G51&vxp=mtr
« Last Edit: September 20, 2018, 05:29:22 PM by Grand73Am »
Steve F.

olds403

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Re: Sanden Compressor Modification - No more A6
« Reply #3 on: September 21, 2018, 04:10:28 PM »
I think the classic air brackets are not very clean looking.  The classic air kit is not a 7 cylinder compressor.  Costs were $200 compressor.  Bracket $129.  Hose and fittings probably about $100.
Then I bought a crimp tool. 

Aus78Formula

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Re: Sanden Compressor Modification - No more A6
« Reply #4 on: September 21, 2018, 11:08:04 PM »
Who knows what they look like, they still can't post ads with pictures of the product they are selling.
Nice work, Mike.

Re: Sanden Compressor Modification - No more A6
« Reply #4 on: September 21, 2018, 11:08:04 PM »

Updated71

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Re: Sanden Compressor Modification - No more A6
« Reply #5 on: September 22, 2018, 07:35:44 AM »
Nice work!  Much less 'draw' on the motor with the Sanden both disengaged and engaged. 
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firebirdparts

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Re: Sanden Compressor Modification - No more A6
« Reply #6 on: September 25, 2018, 06:08:22 PM »
That looks great!
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Re: Sanden Compressor Modification - No more A6
« Reply #6 on: September 25, 2018, 06:08:22 PM »
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