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Old 01-30-2006, 11:06 AM   #1
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Does anyone know if the is a relatively inexpensive way to convert my onan lp generator to gasoline. This generator was sold as lp and as far as I can tell it does not currently have dual fuel capabilities.

Thanks

Brant
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Old 01-30-2006, 11:06 AM   #2
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Does anyone know if the is a relatively inexpensive way to convert my onan lp generator to gasoline. This generator was sold as lp and as far as I can tell it does not currently have dual fuel capabilities.

Thanks

Brant
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Old 01-30-2006, 04:25 PM   #3
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My only suggestion is that you would be better off with the LP fuel in the long run for maintenance and longevity purposes if you can run it on propane. I have had a lot of experience with LP as a motor fuel and would be reluctant to switch it without a very compelling reason...I would think that fuel costs will be about the same as the road tax will not apply to LP for that purpose. Oil changes (less frequent by 2X) and fuel degradation (never with propane) are good reasons to stay with LP if you can. If not ..a carburetor and electric fuel pump should be available from Onan...
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Old 02-05-2006, 10:38 AM   #4
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The reasons you gave for keeping the propane system are the exact reasons I accepted the trailer with the propane generator instead of the expected gasoline fired one. For my use though the propane is not very practical.

1. It's very thirsty. Even using it just a few hours at a time will exhaust my propane supply in a couple of days.

2. When the tanks start to get low (about 2 gallons left) the generator shuts off.

3. Can't run heater or oven with generator on, and have to use cooktop on lowest possible setting to keep gas flowing.

While I don't welcome the extra cost and maintenance, if it's 100 in the desert I want to be able to run the generator all day without worrying about using all the propane.
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Old 02-05-2006, 06:46 PM   #5
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Do you think mounting two 40# LPG cylinders in the truck bed will suffice? Rural King store sell them for under $50 each at sale time. It is legal, just as the 5er tanks are legal-only if properly mounted and secured.
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Old 02-06-2006, 04:36 AM   #6
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Does anyone know if the is a relatively inexpensive way to convert my onan lp generator to gasoline. </div></BLOCKQUOTE>

You might want to try contacting the Onan Customer Response Center at ask.powergen@cummins.com or calling them at 1-800-888-6626.

If it can't be done economically, you might consider swapping it with someone who wants propane and already has a similar gasoline unit.
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Old 02-08-2006, 03:52 AM   #7
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If this is what you WANT to do call Onan, but I would caution you from doing this just from a maintence idea. In reality your not going to pickup any fuel economy, your just going to use a different fuel. If it were Mine, I would look into sperating the generator fuel feed from the house feed and adding capcity to the trailer (ie its own propane bottle to supply it). My Second option, since your drive a diesel, would be install a diesel genny, they are much more conservative on fuel...
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Old 02-11-2006, 01:12 PM   #8
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I have a gasoline gen for the above resons. I have 5 - 6 gal marine tanks that I carry in the bed. I made a manifold using 3/8 fuel line, brass "T's", regular quick disconnect marine fuel fittings and 20 ft 3/8 fuel line.
6 gal tanks are easy to pick up and move, set and hook upone or more quite nice in the front of the bed, I can remove them and set under front of trailer and hook up fuel line to one or more for extended run times ( about a 8 days : longer if cool at night[ 7k gen w/ 2 A/C's ] in southcental TX during summer and running A/C 24/7 .) I can load one or more tanks in truck when going by gas station ( at MY leasure ) to fill tanks.
Left over fuel goes into wifes car when we get home so no sour/ stale gas to deal with. I have 40# tanks on my 5th and they are tpugh for an old geezer to wrestle every couple days.
I think the conversion kit for mine was about $225 +/- and worth every penny in ease and convience of just moving 6 gal at a time.
Several of my friends have done the same conversion and are quite happy.

Whinning about spending 3 or 4 $ and 30 min to change oil and another 2$ for spark plugs ??? ??

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Old 02-11-2006, 03:57 PM   #9
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Shooter,

Just when I was getting ready to move the fuel feed to an external propane tank you've helped to decide to stick to my original plan. I was going to mount a fuel tank in the 5'ver but I like your idea a whole heap better.

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Old 02-12-2006, 03:49 AM   #10
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yes gas is the only way to go,

the propane does not have the BTU of gas ,
the lp gen set is lower on power because of it,

and you will use an unreal amount of propane.

i have two 40Lbs propane tanks and can go 10 to 15 days depending on weather,

i have two fuel stations and can go 15 days on race bike fuel and pump junk for the gen,

if i was to try and use propane i would need 10 40 lbs tanks at least , more if it was cold,

the gas is the only way to go!!
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Old 03-04-2006, 08:25 PM   #11
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by KZ Fan:
Shooter,

Just when I was getting ready to move the fuel feed to an external propane tank you've helped to decide to stick to my original plan. I was going to mount a fuel tank in the 5'ver but I like your idea a whole heap better.

Brant </div></BLOCKQUOTE>I've got a 30 gallon fuel tank permanently mounted on our Montana to feed our Onan CME7000.

I insisted upon a gasoline-fuelled for the exact reason that you, now, want one and made it a condition of the purchase.

I can use 5-gallon containers to refuel it when parked and can fill it at any pay-at-the-pump gas station.

By going "a bit overboard" in the output department, I don't have to worry about an A/C shortage at +120F or running out of propane at -30F.
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Old 03-05-2006, 05:24 AM   #12
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Shooter: This is good information. I was about to buy an LP Gen, and thank God I was hesitant. I like your idea of the boat cans. Do you have a picture of how this is set up (especially the manifold portion)?
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Old 03-09-2006, 11:39 AM   #13
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I think i like this idea as well. I thought i was the only one who ran through LP like its going out of style.
my 6.5k is fuel burning monster.
watching for instructions
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Old 03-09-2006, 03:05 PM   #14
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Brant, These guys might be able to help you. http://www.tulsaenginewarehouse.com/
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