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lpg convertion

05/29/2008 9:25 AM

I have a 2007 Ford 4 door 150 silverado and I was wondering about converting it to lpg is there such a way and where in Houston Texas? Is it good to do this to save on fuel? I am upside down on this Truck by 7K and figured that I might be better off converting it to spead the money.

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#1

Re: lpg convertion

05/29/2008 10:57 AM

Yes any gasoline engine can be converted to run on LPG. If you go to any fork lift dealer they will be able to provided you with the parts. I have only seen a car conversion done where the operator could get the fuel for free. I am not sure of the performance on LPG if i remember right it is a little less the gasoline.

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#2
In reply to #1

Re: lpg convertion

05/30/2008 1:26 AM

You should be able to get the conversion done at any large Propane distributor. They have been doing this for years, I even knew a guy who had an Edsel that he had converted to Propane. Some places will do a conversions that will allow you to switch between regular gas and propane.

I had a large van several years ago that I wanted to convert to propane, I just didn't have the money in one place to do it.

The pressure in the tank will force liquid propane into a vapourizer that is heated by engine water so that you are dealing with a gaseous fuel once things get running. I have even seen propane add on kits for diesel engines, they required some diesel fuel for ignition but most of the energy came from the cheaper propane.

A gallon of propane does have slightly less energy than a gallon of gas but there was a time when difference in price more than compensated for the difference. They claim that it is easier on the engine.

Some places sell LPG which is more butane and this can cause a problem if you are driving into a very cold area but I don't think that this will be a problem in Texas.

Good luck with your hunt.

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#4
In reply to #1

Re: lpg convertion

05/30/2008 1:44 PM

Propane has about 90000 BTUs per US gallon which is more that ethanol at 70,000BTUs. Gasoline has about 125,000 BTUs

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#3

Re: lpg convertion

05/30/2008 7:09 AM

2007 Ford 4 door 150 silverado

F-150 is Ford The Silverado is for a Chevy

Make sure you Know which truck your working with.

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#5
In reply to #3

Re: lpg convertion

05/30/2008 3:13 PM

sorry yes its a chevy first one i have owned I had fords in the past, my Bad

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#6
In reply to #3

Re: lpg convertion

05/30/2008 8:18 PM

Well the shit sure hit the fan on that one, but no matter anyway what about running the hydrogen systems for the cars and trucks? I believe that it will take over.

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#7
In reply to #6

Re: LPG conversion

05/31/2008 9:39 AM

Ok here is the thought I had. I drive 50k miles a year. I bought this truck in Nov. of 07> it gets around 18 miles to Gallon. It has the Vortex engine that drops to 4 cylinder on highway cruising. I had read about prices of LPG and got the wrong price. but it turned out it was higher then gas. since I have found that Compressed Natural Gas is cheaper by almost half. I am still confirming that. My thought was if it was almost half the price I could save tremendously. I had gone to trade my truck in for a Prius and found that I was upside down by 5K even though I made a great deal and put down 8k on the truck. in a matter of two weeks when looking for a more economical car it dropped to 8K upside down. My thought was keep the truck but get a cheaper fuel or make it better gas mileage. If I have to give 8K to trade it in why not spend the money to convert it? I figure that if I now get 18 miles to the gallon then if I could get fuel half the price then that would basicly be like getting 36 miles to the gallon of regular gas. this would save me around 4,800.00per year. Any thoughts out there?

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#8
In reply to #7

Re: LPG conversion

05/31/2008 6:19 PM

I was in Vancouver, British Columbia once. The taxi driver was cursing the compressed natural gas fuel that he was forced to use, even as a passenger I could tell that his cab was gutless. It was kind of annoying but nothing like the Cab in San Francisco that had bad brakes, that was kind of terrifying. In any case I would not consider compressed NG and I think that you will find that availability will be worse than LPG and the amount of energy in a volume of compressed NG vs liquid LPG must be much lower I would think.

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#9
In reply to #7

Re: LPG conversion

05/31/2008 8:22 PM

Hello Guest, I was reading your dilemma and still insist that you try hydrogen rather than lpg or cng you will have to still use gasoline but would further more of your mileage and learn something in the process isn't that what we do ? I mean if you want to learn you ask right just my opinion.

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#10
In reply to #9

Re: LPG conversion

05/31/2008 9:57 PM

My brother had a pickup truck that had been converted to propane by a previous owner. The cylindrical tank that was installed as part of the conversion occupied thr front couple of feet of the box. It was the vehicle that he drove to work, for errands and other general uses. He used to measure the time between fill ups in weeks. And of course there was the clean oil and spark plugs. Propane treats an engine really well apparently. I wonder though if it is possible to do an LPG conversion on a fuel injected vehicle.

Perhaps they can use the same approach that they use with LPG augmented diesel vehicles. The vaporized propane is injected into the intake manifold where it is drawn in on the input stroke and enough diesel is injected to achieve ignition. I imagine tht the result is a much cleaner burning engine with a reduced particulate emission level.

One thing that LPG fuel allows is high compression ratios because LPG represents a very high octane fuel. I am not a mechanic and would not what a reasonable price would be to replace the muffler bearings but I have been lead to believe that higher compression ratios result in higher performance.

I have babbled on long enough. My current interest in LPG conversions is to acquire a small generator for emegergency use of my ham radio equipment. Conversion kits are available for these small generators. I would prefer to use LPG because ordinary does not store well while LPG does and in case of an emergency I could use some of the stored LPG to finish the steaks when the barbeque runs out.

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#11
In reply to #10

Re: LPG conversion

05/31/2008 10:11 PM

Somewhere we have lost the definition of LPG. LPG comprises propane, butane, methane, natural gas, and probably others. If you are are using LPG or LNG please state which gas you are talking about. not only do they have different BTU/gallon it also depends on where the gas comes from. LNG coming to the US is diluted to match the gas we get from our home wells.

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#12
In reply to #11

Re: LPG conversion

05/31/2008 10:32 PM

Where I live LPG normally means primarily propane. Some butane may sneak in but not very much. During the winter LPG containing a large portion of butane would cause a bit of a problem because it would not vapourise enough to pressurize the container. At -40C or F they are same, propane gels. In Edmonton that is as risky as I would want to get. If I lived in New Mexico the mixture could contain more butane without causing any problems.

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#13

Re: lpg convertion

06/01/2008 11:01 AM

OK here is what I found out on Saturday calling around for prices. Propane is $2.75 per gallon with 1.2%tax I did not find a Compressed natural Gas location open but did some more research and the CNG is allot less then propane and is being used widely in other countries. My wife is currently in the Philippines on vacation and it is growing widely there because of the super low cost and clean burning. The problem I have found so far here is locations to fill up. Our local Gas company had several stations through out Houston but recently closed them down due to lack of cars running on the fuel. so far I have found prices in other states as low as 63 cents per gallon. The reason is that the compressed gas does not have to be cooled down and processed like propane. Also in reading on the internet there is a compressor that you supposedly can get for your home that you can hook up to you gas main and compress you own natural gas that comes to the house. I am still investigating this.

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#14
In reply to #13

Re: lpg convertion

06/01/2008 4:36 PM

Man I keep telling you that the way to go is hydrogen. End of story you know that is the way to go

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Anonymous Poster
#16
In reply to #14

Re: lpg convertion

06/05/2008 9:59 AM

Do you know how much hydrogen would cost me per gallon I guess that is where i am going with this is to try and get an inexspencive fuel. and also how available would it be I have tried to search for a supplier to see what the cost would be.

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#17
In reply to #16

Re: lpg convertion

06/06/2008 12:23 AM

Ok -- I will try to help here - READ the 2 links below - If you are interested after that read the third.

Cost of hydrogen is cost of maintaining the generator - and some NaOH ( $6 at Lowes.)

http://www.hydrogen-boost.com Good Man - been doing it a while

look for the Saturn SL1 mileage

http://www.smacksboosters.110mb.com newer design - about $60 to build

Then if you like -- http://www.panaceauniversity.org Australian Non-Profit who

is working with university to get certified tests of several energy related devices.

Suggest you ignore those who have NOT built and tested hydroxy/hydrogen boosters.

Untill you have tried it - you are spouting what your teacher said, NOT what YOU know.

I build and sell units - will be filing an engine patent this fall. Reality Approaches

Richard

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#15
In reply to #13

Re: lpg convertion

06/05/2008 1:09 AM

So - really there are 2 or three useful things in this thread -

Note that the Diesel drivers use propane/lng to BOOST their rigs power AND cut emissions -

You might find a propane BOOST useful enough - Hydroxy boost on some trucks

gives 30 + % increase in mileage - and propane MAY do something similar -

Hydroxy rig can be built for about $60 -

Propane may do similar function ( changes burn charecteristic in cylinder )

Several chemical additives also reduce emissions and boost mileage - some will act to improve hydroxy boosted vehicles mileage -

rcb

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Anonymous Poster (4); BRANSON (1); jmart23 (2); Michael Sadelson (3); ozzb (1); rcbondsr (2); The_curious_one (4)

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