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Old 01-31-2006, 10:10 AM   #1
Bus Crazy
Elliot Naess's Avatar
Join Date: Oct 2005
Location: Clearlake, Northern California
Posts: 2,355
Year: 1992
Coachwork: Blue Bird
Chassis: TC-2000 Frt Eng, Tranny:MT643
Engine: 5,9 Cummins
Rated Cap: 84
International 404, 6.9 and 392 gasoline engines?

I cannot get over these $500 propane-fueled busses that are 600 miles from me. I friend of mine has been by there and said they appear to be in decent shape. There are three Internationals left; a 1979 with a 404, a 1981 with a 6.9, and a 1983 with a 392.

What do we know about these engines? I thought the Int. 6.9 was a diesel? I would have to convert from the propane back to gasoline for cross country availability. Reliability, parts availability, what other concerns?
Millicent The Bus - roof raised two feet, toy-hauler tailgate.
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Old 01-31-2006, 02:03 PM   #2
fmtaylor's Avatar
Join Date: Jan 2006
Location: Terre Haute, IN
Posts: 22
Converting to gas

For a $500 propane powered bus you will spend almost as much or more converting it back to gas as the price of the bus. Consider you will have to buy and install a gas tank, carburator, gas lines, ignition module, and re-set the timing.

You might consider leaving it propane powered. Sure fueling is problematic, or just a regular PITA, but if you fuel at every opportunity, you shouldn't have much problem.

It might be worth noting that while in the clearlake area propane may not be a lot cheaper than gas, in other places it is.

Here are a few links on the subject:

The number of refueling stations by state

The location of all refueling stations (mapquest like functions)

Heating oil and propane prices:

Gas and deisel prices:
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Old 02-04-2006, 03:48 PM   #3
Bus Nut
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Join Date: Feb 2005
Location: Rossland BC, Canada
Posts: 433
Year: 1985
Coachwork: Bluebird
Chassis: GMC
Engine: 366 propane
Rated Cap: 56
I have a gmc with a 366 with a stock propane conversion. I am on my second cross canada move (on thursday) running with propane. There are some frustrations associated with finding fuel, but it's always possible. There are benifits to propane:

Longer engine life
Cleaner emisions
High probability of cheaper fueling costs

These are just a few. Do some research and you may change your mind. You could also keep your eyes peeled for a used dual fuel system at a local auto wrecker. This way you can switch from propane to regular gasoline with the flick of a switch.

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