| [GMCnet] GMCnet] Trouble-free GMC's [message #322620] |
Thu, 24 August 2017 17:21 |
fbhtxak
Messages: 191
Registered: April 2006
Karma: 0
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Senior Member |
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Jerry,
'Had a great visit to Budapest as part of a two-week European rivers cruise
in spring 2015. 'Our sentiments exactly on those former socialist/communist
countries...
I highly recommend your modifications to the Onan fuel and ignition systems
to anyone using their gen sets extensively for powering air-conditioners and
self-contained camping. I have not personally made the mods as the dash air
in our '78 Royale keeps us adequately comfortable (even in Texas temps!) and
we rarely need to be self-contained. As a result, the Onans in our
motorhomes have about 300 hours (TX-based GMCMh) and 170 hours (Alaska-based
Airstream). In over 25 years ownership for both motorhomes, the Onans, in
light duty service, have met expectations (but with prescribed preventive
maintenance). I remember mods similar to your Onan mods being performed on
auxiliary power units on oil/gas drilling rigs many years ago..'Greatly
improved the reliability of the APUs and productivity of the drilling rigs
of that era.
Fred
Fred Hudspeth
1978 Royale (TZE 368V101335) - Tyler, TX
1982 Airstream Excella (motorhome) - Cooper Landing, Alaska
Message: 5
Date: Thu, 24 Aug 2017 16:14:53 +0200
From: Gerald Work
To: gmclist@list.gmcnet.org
Subject: [GMCnet] Trouble-free GMC's
Message-ID:
Content-Type: text/plain; charset=us-ascii
Hi all from beautiful Budapest, Hungary
We are on back to back river trips with a bunch of West coast GMCers. Just
landed in Budapest after boarding in Bucharest, Romania on the Danube a bit
over a week ago with Nick and Donna Roenick and Donald and Billie Guttman.
We will be joined on the next segment by a whole bunch of GMCers including
Jim and Judy Hupy and Manny and Deo Trovao.
If anyone you know is attracted by the siren song of socialism I recommend a
trip to the former Soviet countries in Eastern Europe to see how well that
worked out for them.
Even a continent away I would like to recommend to everyone struggling with
an Onan to purchase a Pertronics magnetic ignition system to eliminate spark
issues and a propane conversion to eliminate fuel issues. I know a bunch of
the "conventional" wisdom is that we don't carry enough propane (not true
from my testing) so the kit I designed and discussed at GMCWS last October
(download the presentation from their web site) allows you to switch between
propane and gasoline at the flip of one toggle switch.
Once you do those two things, unless your Onan has a rod sticking out the
side, it will almost certainly start quickly, run smoothly no matter the
load and outlast you and the next dozen owners combined.
Our vendors sell the Gary Bovee Pertronics kit for a bit over $100 and the
special GMC kit that allows it to run off propane or gasoline is available
from uscarb.com. Some of our GMC vendors may also carry that kit. Sells
for around $250 to $300 depending on whether you use 1/2" or 3/4" hose from
the tank to the Onan. All my testing and design work was done using 1/2"
hose and that seems to work well in our application even though the design
books say you should use 3/4" hose for a run of that length and that load.
No, I get no kickback or payment on any kind from anyone from either of
these.
It doesn't matter how your Onan is wired or whether your board works or not.
If you can get 12vdc to the positive post on the coil it will likely work
unless you have a bad coil (rare). That or a bad Pertronics module (rarer
still) is about the only thing that will stop you.
These two easy to install kits are way cheaper and way easier than trying to
buy and fit in another brand or model generator.
Now back to the great Hungarian beer........
Jerry Work
The Dovetail Joint
Fine furniture designed & hand crafted
in the 1907 former Masonic Temple building
in historic Kerby, OR
http://jerrywork.com
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