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Thread: Which 472/500 engine to use? Need your opinion.

  1. #16
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: Which 472/500 engine to use? Need your opinion.

    Quote Originally Posted by Colt D
    Because this thread on the best 472/500 engine evolved into a thread on alternative fuels, I pose this question to the group:

    Is it possible, and more importantly, feasible, to convert a 10.5:1 472 to natural gas and fill up from home? I hear an option to propane is compressed natural gas (cng), but I'm not sure its compressed coming out of the house. With a long enough hose in the trunk, you could fill up from any of your friends' quick-connect at their BBQ, or with a little more work, the gas dryer. That would be my sportscenter highlight.
    Ever see the end of the movie "White Heat"?

    Natural gas comes from the street to the house at single digit pressures. IIRC, some stoves and heaters use about 1.5 Lbs pressure. This would have to be compressed to a liquid for efficient storage as auto fuel. Not something likely to happen at a residence. There was talk of Natural Gas Auto Fuel Stations years ago. Several gasoline alternatives are close to being financially feasible. Things are going to get interesting.


  2. #17
    davesdeville's Avatar
    davesdeville is offline Banned
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    Re: Which 472/500 engine to use? Need your opinion.

    CNG seems to be less practical than propane as an automotive fuel. There are 2 CNG filling stations I know of in Albuquerque. I dunno what the deal with tunnels is but I have never driven through one so I'm not worried about that. There are enough propane filling stations for road trips, think of all the RVs that use propane. On my road trip through west Texas, I noticed that there were signs for propane filling stations on exits, just as there were the food/gas/lodging signs.

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