DIY a/c bracket

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Nov 15, 2020 | 01:50 PM

71Vent

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Staging Lane

Joined: Nov 2016

Posts: 59

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DIY a/c bracket

Hello all,

I am making a bracket for a low mount driver side A/C for a LQ4 going in a 71 Ventura.

How thick should the metal be for the lower mount? I have 3/16 but not sure if I should grab some 1/4 to be safe.

I'm making something like this.

Thank you.

Nov 15, 2020 | 06:44 PM

33willys

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From: Alamogordo, NM

I think 3/16 is enough because the mounts are small and bolted in several places. Should not see any flex. That's what I built mine from.

Nov 15, 2020 | 07:09 PM

Michael Yount

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3/16" is plenty.

Picture reminds me of the low mount by Alan Groves that I used on mine.

Attachment 713137

Nov 16, 2020 | 02:20 PM

71Vent

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Staging Lane

Joined: Nov 2016

Posts: 59

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Quote:

Originally Posted by 33willys

I think 3/16 is enough because the mounts are small and bolted in several places. Should not see any flex. That's what I built mine from.

Thank you 33willys. It makes my life easier because I already have it.

Thank you

Nov 16, 2020 | 02:22 PM

71Vent

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Staging Lane

Joined: Nov 2016

Posts: 59

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Quote:

Originally Posted by Michael Yount

3/16" is plenty.

Picture reminds me of the low mount by Alan Groves that I used on mine.

Michael Yount, I'm trying to have it be the correct distance to use the stretch to fit belt from later years.

Dec 28, 2020 | 11:33 AM

indyjps

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Joined: Jan 2004

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Please post up more details as you make progress. Im looking to do the same (69 camaro should be very similar subframe to ventura). Common issues: Low mount compressor wants to occupy the same space as engine mount, and youll need to notch the frame.

factory tensioner seems to the lowest point after compressor is relocated. Any ideas on how to tuck that up will be useful. May hit sway bar depending on engine placement.

Most sanden compressors have rear exit fittings that are horizontal or inline to the compressor.
SD7B10 is a mini compressor with side exit fittings, requires an adapter for hoses that is usually pricey. SD508 would be the next choice, theres a rear cap with ports coming straight out, radially. Most low mount are based on SD7B10 (dirty dingo etc), would be nice to use SD508 and get more compressor displacement. I called vintage air they said the SD7B10 is no issue in a camaro size interior.

SD7. 8.9" length 5" diam
Sanden SD7H13 129cc displacement
Sanden SD7H15 155cc displacement

SD5 7.1" length 4.8" diam
Sanden SD508 138cc displacement

SD7B10 Side ports 6.9" length 4.5" diam
Sanden 7176 100cc displacement

Last edited by indyjps; Dec 28, 2020 at 11:58 AM.

Dec 28, 2020 | 12:32 PM

indyjps

Launching!

Joined: Jan 2004

Posts: 199

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Dirty dingo low mount, the tensioner and mount sit low.

looking at using an older style tensioner, thru bolt with pin locator on back, think vortec / tpi era.
heres one example, theres a lot of these available
https://www.summitracing.com/parts/a...make/chevrolet

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