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Home » Public Forums » GMCnet » [GMCnet] Anyone ever put a 78 dash heater/AC in a 73?
[GMCnet] Anyone ever put a 78 dash heater/AC in a 73? [message #321801] Tue, 08 August 2017 08:44 Go to next message
BobDunahugh is currently offline  BobDunahugh   United States
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Thinking of trying that. Bob Dunahugh
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Re: [GMCnet] Anyone ever put a 78 dash heater/AC in a 73? [message #321804 is a reply to message #321801] Tue, 08 August 2017 13:03 Go to previous messageGo to next message
jhbridges is currently offline  jhbridges   United States
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Once you incur the trouble of taking it apart and out, why not customize the replacement to your liking?

--johnny

Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons. Braselton, Ga. I forgive them all, save those who hurt the dogs. They must answer to me in hell

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Re: [GMCnet] Anyone ever put a 78 dash heater/AC in a 73? [message #321811 is a reply to message #321801] Tue, 08 August 2017 16:23 Go to previous messageGo to next message
lqqkatjon is currently offline  lqqkatjon   United States
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I could be wrong, but it is not just the external hvac box that is different, but the ducting in the dash. I dont think it would be feasable without destroying the dash and rebuilding.

Look at the write up tom pryor just had on the forum adding a dual fan/blower to fix the hvac problems. I think he has something with that and am planning on doing that to my 75.



Jon Roche 75 palm beach EBL EFI, manny headers, Micro Level, rebuilt most of coach now. St. Cloud, MN http://lqqkatjon.blogspot.com/

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Re: [GMCnet] Anyone ever put a 78 dash heater/AC in a 73? [message #321834 is a reply to message #321801] Wed, 09 August 2017 08:40 Go to previous message
BobDunahugh is currently offline  BobDunahugh   United States
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Registered: October 2010
Location: Cedar Rapids, IA
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I have plenty of 78 parts. So I'm putting in a complete 78 Royale rear bath interior, and all windows. Complete 78 rear suspension with the air ride controls, and compressor. The 78 taller rear inter fender wells. So when done. I want it to have all the 78 up grades included. With new furnace, roof A/C, frig, and cook top. Thus it will be a 78 Royale with a 73 body shell only.
Bob Dunahugh
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