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Old 04-07-2019, 11:24 AM   #1
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1975 Argosy 26
1975 26' Argosy 26
Placerville , California
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Heat/Air issues

My 75 Argosy /truck heater/air fan just barely blows. Not enough to warm the passenger. Also the air conditioner. Anyone have an upgrade for a better fan motor or other ideas?
btw the MSD tbi and gear venders overdrive work just great. Better mileage and much lower sound levels when in overdrive.
al
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Old 04-07-2019, 09:04 PM   #2
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1977 24' Argosy 24
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I've had a lot of old GM cars & Jeeps.
I've always replaced the blower motors with ones from the K5 Blazers of the late 70s.
I heard somewhere, a long time ago, that they were the biggest blower motor/Fan. Not sure there is truth to that but.....
The one in my 72 Olds Cutlass & my wifes CJ7 have been going for decades and were both big improvements.
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Old 04-08-2019, 04:19 PM   #3
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1974 20' Argosy 20
Richmond , Kentucky
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The heater/ac unit is not a GM unit. A lot of the years had units made by ACME. They are no longer in business but some parts are available through ACME Air Parts. I bought the vacuum actuators for my 74 through this place.

I do know the one in Mike's 77 is different than the one in Al's 75. Al's will look like mine as shown in this rebuild thread.

Brad
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Old 04-09-2019, 07:12 AM   #4
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1977 24' Argosy 24
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Quote:
Originally Posted by bkahler View Post
The heater/ac unit is not a GM unit. A lot of the years had units made by ACME. They are no longer in business but some parts are available through ACME Air Parts. I bought the vacuum actuators for my 74 through this place.

I do know the one in Mike's 77 is different than the one in Al's 75. Al's will look like mine as shown in this rebuild thread.

Brad
Sorry, my bad.
I did not mean to pass bad information.
Mine is apart, I have fitted, but not yet installed the Chevy K5 Blower motor.
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Old 04-09-2019, 07:23 AM   #5
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Quote:
Originally Posted by mikeajana View Post
Sorry, my bad.
I did not mean to pass bad information.
Mine is apart, I have fitted, but not yet installed the Chevy K5 Blower motor.
No that's not bad information. It's entirely possible or even probable that the ACME system used a standard blower from one of the auto manufactures. If the K5 blower fits that's a good piece of information to know.
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Old 04-10-2019, 12:15 PM   #6
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Quote:
Originally Posted by bkahler View Post
No that's not bad information. It's entirely possible or even probable that the ACME system used a standard blower from one of the auto manufactures. If the K5 blower fits that's a good piece of information to know.
Really good information. I'll pull the motor and see if the K5 motor works. Thanks
al
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