Thread: 500 Caddy/G Body Swap

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I actually had a heck of a time finding a piece of foam to make the seal out of. The 2 places I used to be able to buy it before no longer carried it. What I ended up finding was one of these contoured foam pillows which turned out to work great. I compresses easily and seems to make a really good seal. It also cuts pretty well with the wife’s electric knife .

Once I got it all put back together I put the dash and vents back in to check how well it moved air. I was able to do a direct comparison between this system and the wife’s 84 El Camino with factory AC. The airflow thru the dash vents is at least as good as the factory setup and the amount of floor air flow is better. The defrosters do not flow as well as the factory setup but it should still be sufficient.

As usual it never seems to end, now that I’ve gotten this far I’ve decided I don’t really care for the controls that came with the unit. Comparing how the HRA controls work and the factory setup, I think it should fairly easy (famous last words) to make it work with the original controls.

know where your coming from. I got rid of the great big non efficient space robbing, not real efficient ac/ heat stuff myself, and yes It can be done.Not exactally the same car/ P/U as mine, but close.You can use the what used to be kinda dash/ electronic/ vacuum controls in the origional cabin, which is what I wanted to achieve.and like you went aftermarket.Much better. Im trying to post picks, no dice right now. jeeze 500 Caddy who would'a thought. Wow