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Old 09-24-2013, 11:06 PM
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Derbs24 Derbs24 is offline
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Default What's behind my '62 A/C assy?

I would like to clean up my engine bay by removing the stock A/C box and fan assy. I have no intention of getting my a/c operational and would rather convert back to just the oem heater assy only or put a block-off plate on the firewall and make up a custom heater with an aftermarket kit. Are the holes in the firewall the same for an a/c vs a non-a/c car? Anyone done anything like this? I would like to open my hood and have all focus just be on the 389 Tri-power, not the a/c assy. Thanks!

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Old 09-25-2013, 12:52 AM
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If I can get a picture to post it shows what we did to eliminate the A/c and heater to clean up the fire wall. After removing to blower assembly we bead rolled a piece of sheet metal to make it look stock. Welded the piece in and finished it off. Looks like it came from the factory that way.

Jim
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Old 09-25-2013, 07:53 AM
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Thanks Jim, that's exactly what I'd like to do! I love a clean engine bay that directs the eye right to the engine. My cousin is a body man and is amazing with a bead roller and sheet metal. Any pics would help. I'm just trying to see what I'm getting into before I start unbolted things off my driver. Did you just go without a heater now?

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Old 09-25-2013, 08:41 AM
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Derbs, the firewall equipment openings as well as the outer firewall sheetmetal differ considerably for an A/C car from a non-A/C car. It's surprising how different they are and how much extra stuff hangs on the firewall for an A/C car.

Later I will post a pic of an 'empty' A/C firewall.

One cool thing (literally) about the conversion you're considering is that you'll gain a port for cold, forced cowl air.

Mounting the non-A/C box will also require fabricating a sheetmetal plate.

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Old 09-25-2013, 10:51 AM
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Derbs24: Thanks for the compliment. Given that I live in scalding Florida we decided to take the heater assembly completely out. But given that you live in the frozen tundra like Matt {Engine-Ear} I can certainly understand the need for a heater. I bet your cousin can fab up something for you.

Jim

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Old 09-25-2013, 10:56 AM
chiefpontiac66 chiefpontiac66 is offline
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Here is a pick of the firewall without the a/c box etc... Hope this helps.
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Old 09-25-2013, 01:55 PM
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Thanks guys, exactly what I'm looking for. I have a fella looking for some A/C parts so this may be my chance to help out a Pontiac brother and push my car in the direction Jim went.
Hey Matt, how about our weather? 70 and sunny. As my Dad says, "good Pontiac weather".

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