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Thread: Converting a Diesel to LPG

  1. 15th February 2008, 01:51 PM #1
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    Converting a Diesel to LPG

    NO - this ISN't another LPG fumigation thread.

    I stumbled on this and found it interesting. Seems a lot of work...
    Land Rover conversions - M&D Engineering
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  2. 15th February 2008, 02:02 PM #2
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    This is just converting the diesel to a spark ignition engine - it is no longer a diesel.

    As you said a lot of work - why not just put in a petrol engine converted to run on LPG.

    Garry
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  3. 15th February 2008, 02:21 PM #3
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    Quote Originally Posted by garrycol View Post
    why not just put in a petrol engine converted to run on LPG.

    Garry
    My thoughts exactly!
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  4. 15th February 2008, 03:19 PM #4
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    Now if they could convert a rover V8 to run on diesel that would be a conversion worth doing !
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  5. 15th February 2008, 03:23 PM #5
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    Quote Originally Posted by loanrangie View Post
    Now if they could convert a rover V8 to run on diesel that would be a conversion worth doing !
    you BETCHA
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  6. 15th February 2008, 03:25 PM #6
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    Quote Originally Posted by loanrangie View Post
    Now if they could convert a rover V8 to run on diesel that would be a conversion worth doing !
    They did do some experimenting with it, but the alloy block just isn't strong enough to cope with the pressures of diesel compression and combustion.
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  7. 15th February 2008, 03:40 PM #7
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    Quote Originally Posted by isuzurover View Post
    NO - this ISN't another LPG fumigation thread.

    I stumbled on this and found it interesting. Seems a lot of work...
    Land Rover conversions - M&D Engineering
    Quote Originally Posted by garrycol View Post
    This is just converting the diesel to a spark ignition engine - it is no longer a diesel.

    As you said a lot of work - why not just put in a petrol engine converted to run on LPG.

    Garry
    With a quick 1min read I didn't spot the CR of the Nissan engine but it must be 17 or better, LPG would love that. You'd spend a fortune building up a petrol engine trying to that sort of CR and probably still not get there.
    Over the life of a taxi like that they should get the chance to recoup their investment.
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  8. 15th February 2008, 03:57 PM #8
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    Quote Originally Posted by 100I View Post
    With a quick 1min read I didn't spot the CR of the Nissan engine but it must be 17 or better, LPG would love that. You'd spend a fortune building up a petrol engine trying to that sort of CR and probably still not get there.
    Over the life of a taxi like that they should get the chance to recoup their investment.
    CR is 21.something. I'm sure they lower the compression (they make a custom head) - otherwise there would be no need for the spark plugs!

    I'm sure I heard about LPG conversions to diesels where they kept the engine as-is, but screwed the injection right back, so only 1-2L/100 of diesel was used, and the vehicle mainly ran on LPG - but maybe I am wrong...???
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  9. 15th February 2008, 04:48 PM #9
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    Quote Originally Posted by 100I View Post
    With a quick 1min read I didn't spot the CR of the Nissan engine but it must be 17 or better, LPG would love that. You'd spend a fortune building up a petrol engine trying to that sort of CR and probably still not get there.
    Over the life of a taxi like that they should get the chance to recoup their investment.
    Plus the diesel bottom end would be much stronger that any petrol engine replacement, Regards Frank.
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  10. 15th February 2008, 04:55 PM #10
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    Quote Originally Posted by Tank View Post
    Plus the diesel bottom end would be much stronger that any petrol engine replacement, Regards Frank.
    Exactly, you could throw lots of $ at a petrol engine trying to get close to the strength of the diesel and still not get there.
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