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Re: AIR COMPRESSORS CFM RATINGS [message #124984 is a reply to message #124975] Sat, 07 May 2011 12:37 Go to previous messageGo to previous message
Peg is currently offline  Peg   United States
Messages: 124
Registered: April 2011
Location: Montana
Karma:
Senior Member
Carl S. wrote on Sat, 07 May 2011 11:36

Here is what I went with:

http://www.gmcmhphotos.com/photos/showgallery.php?cat=5506

The explanation is in the captions. My original Dana compressor would pump up the tank to 140 PSI, but made an embarrassing amount of noise doing it. The new Viair is much quieter and does the job in less time. It is a 100% duty cycle unit and specs can be found on Viair's web page. There are some 25% and 35% duty cycle units that actually pump at a higher CFM rating, that would also be more than adequate since they do not operate constantly.

Jim K. also has a (I believe Firestone) compressor on his site that is a bit larger and will pump up the system faster, if you feel you need that.

I have put a considerable amount of time into my air system, including JR Slaten "Power Level II" dash valves, an electronic regulator, from Jim B. an adjustable safety valve, from Jim K, and numerous nuts and ferules, to stop annoying leaks.


Nice set up Carl.
Quiet is good and we haven't even gotten to the generator. Rolling Eyes
Thanks for your link to your documentation. I love it when the links are in the post....Saves us newbies from doing a search and getting lost. I personally forget what I'm searching to find because I get fixated by some other thing regarding GMC motorhomes that came up while I am doing a web search to find a person that was mentioned in a thread as an expert or a source...
A.D.D kinda...or maybe is...never was a medical condition when I grew up...So maybe I have it...doesn't matter...I enjoy the links for less complicated research without distraction.

Montanan with a Dream ...
Dreams do come TRUE don't they?

Mark & Peg
South Central Montana

1974 Sequoia 722/1,496
1974 Excella 500 RT

[Updated on: Sat, 07 May 2011 12:48]

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