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Unread 10-21-2009, 07:02 AM   #1
Davethewaveman
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1983 CJ7 
 
Join Date: Oct 2008
Location: South America
Posts: 36
Natural Gas CJ

Hey guys, wanted to see if anyone else had their CJ`s set up to run natural gas. I use it about 80% of the time and switch over to gasoline when I need the extra 10% of power for whatever reason or because I ran out of Natural Gas. Have a 10 cubic meter tank behind the back seat in my CJ7. It will take me about 45 miles on a tank.

I`ve seen other Jeeps with two small tanks on either side of the drive train, but I didn`t want to lose any clearance for 4-Wheeling.

Who else is set up with Natural Gas??

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Unread 10-21-2009, 08:27 AM   #2
Happy Joe
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1985 CJ7 
 
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I tried propane for a while but went back to injection (gasoline); It was just easier to keep it fueled with a single fuel. Gas (LNG or propane) has a lot of advantages off road (especially over carburettors, not so many over injection) but it was just to much hassle for me to keep 2 fuels on board and full. (Not to mention the space lost to a second tank).

Enjoy!
__________________
...a well prepped, well driven, vehicle should do well in any terrain, including the highway.

Carburetors became obsolete during the last century... do what ever it takes to get fuel injection...It makes bigger grins off road.
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Unread 10-21-2009, 11:00 AM   #3
m2rtin
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1986 CJ7 
 
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Location: Czech rep.
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What advantages does gas have, Joe?
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Unread 10-21-2009, 11:31 AM   #4
CSP
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Propane (natural gas is rare to find in the US) is in a gaseous state, so it won't flood like a carburetor will.
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Unread 10-21-2009, 11:41 AM   #5
Pathkiller
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Compressed Natural Gas (CNG) is very common on fleet vehicles and bus fleets in the US. The majority of DC's city buses run on it. I guess it's never been pushed much for public use for whatever reason, but it seems that it must work very well for it to be used so broadly.
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Unread 10-21-2009, 02:03 PM   #6
CSP
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Just another alternative fuel that we don't take advantage of in the US. We hear that the government is looking into options, but until the oil companies stop lining the pockets of people in office, we'll never see it happen.

Look at the lack of CNG filling stations in the US, just as an example. The use in fleet vehicles does prove that it's cost effective and a cleaner alternative.

About.com: http://www.eere.energy.gov/afdc/fuels/natural_gas_locations.html
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Unread 10-22-2009, 05:58 PM   #7
Davethewaveman
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It`s also alot more cost-effective (I get about 2x as many miles on a buck as I do on gasoline) and releases alot less CO2...
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Unread 10-23-2009, 11:35 AM   #8
Happy Joe
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Quote:
What advantages does gas have
Nearly instant starts,
much cleaner burning,
virtually no oil dilution (lasts much longer, less engine wear),
no flooding under heavy bouncing or at very extreme angles,
better octane rating (allowing higher compression ratios and more spark advance).

In almost every way it is a better fuel, but it is harder to find places to fill up and you don't get as many miles per fill (tank size dependent).

Enjoy!
__________________
...a well prepped, well driven, vehicle should do well in any terrain, including the highway.

Carburetors became obsolete during the last century... do what ever it takes to get fuel injection...It makes bigger grins off road.
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Unread 10-23-2009, 01:13 PM   #9
m2rtin
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ok, that's good news!, but let me ask something little out of the toppic:
What about E85, do I have to have a conversion kit on my 258 jeep carb to fill it with this?
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Unread 10-23-2009, 03:02 PM   #10
Davethewaveman
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REALLY?? No one else has a Jeep running on Natural Gas here on the forum?? I was gonna start a club and everything...
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Unread 10-23-2009, 03:05 PM   #11
CSP
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Like Pathkiller and I said, it's not used much in the US outside of vehicle fleets, and that's where the majority of users of this board is from.

You might find a few on propane, but not CNG.
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