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Thread: LPG Cars

  1. #1
    redcarwire Guest

    LPG Cars

    What cars are powered with LPG cars. Is LPG cars are safe? How much saving can we get if we use LPG?

    "In less enlightened times, the best way to impress women was to own a hot car. But women wised up and realized it was better to buy their own hot cars so they wouldn't have to ride around with jerks." -Scott Adams // Rock 'n Roll with Ford Ranger Floor Mats

  2. #2
    Join Date
    Sep 2003
    The Nether
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    2 of the 4 Buicks I own are converted to LPG. Not a environmental, but rather a financial issue though; regular gas here is about $9.00 p/gln and LPG $ 2.20. Converting costs about $1500, so within a few thousand miles the installation will be earned back.
    LPG is available at about 80% of the gas stations here.
    The reason it is so popular here is because of our (road)tax system. Monthly tax paid is depending on car weight as well as on fuel used. Petrol is the cheapest, then diesel and then LPG. You pay the most for LPG, but the fuel itself is the cheapest, about half of petrol. So it actually depends on the amount of miles you drive, what is the most economical fuel. Because of its high tax, but low liter price, LPG is affordable with high milage.
    Now comes the trick. Cars older then 25 years, considered classics, are free from roadtax!!!

    Most of the US classic cars here have a US made LPG convertion (Impco). Those are better suitable for larger engines and easy to maintain.

    LPG convertion exist of a few main components:
    -convertor (liquid LPG into gas; it needs warmth from the cooling system: see photo hoses from and to heater core)
    -air filter and mixer (gas and air)

    25 gln tank (which can only be filled for 80%; safety regulations):

    Switch for LPG or regular gas (so you can use or gas or LPG, the LED's indicats the filling of the LPG tank):

    Engine bay; on the left inner fender there is the convertor and on the carb the mixer and air filter:
    68 Wildcat Custom 2dr
    69 Electra 225 Custom 4dr
    71 Electra 225 Custom 2dr
    72 Estate Wagon
    73 Riviera
    75 Riviera GS

  3. #3
    Join Date
    Feb 2006
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    Lpg and natural gas

    [quote=redcarwire;59871]What cars are powered with LPG cars. Is LPG cars are safe? How much saving can we get if we use LPG?

    Along the same topic, I don,t know why we don,t hear much about NATURAL GAS here in the US. It comes right out of the ground. We are sitting right on top of huge amounts, is cleaner burning, plus cheaper,than gasoline. Its piped into millions of US households, and it works just fine in our cars and there are filling machines you can get to fill your car right at home. Even tho it doesnt have the same power factor [btu] as gasoline, it has a high octane feature that allows us some serious blower/turbo pressures.

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