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Thread: LPG tuning (RAYZA ]

  1. 1st August 2009, 09:06 PM #1
    ray_wilson53@yahoo.com.au Guest

    Angry Rayza

    Can anyone help with info to tune 1995 Disco on dual fuel, mainly need LPG side, runs sweet on petrol on gas very sluggish up to 80 kph
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  2. 8th August 2009, 04:31 PM #2
    ray_wilson53@yahoo.com.au Guest

    Unhappy LPG tuning (RAYZA ]

    Hi Can anyone advise on how to adjust lpg on 1995 disco???
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  3. 8th August 2009, 04:49 PM #3
    blackbuttdisco's Avatar
    blackbuttdisco
    blackbuttdisco is offline Master
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    LPG tuning

    On mine there is a fitting in the gas line to the air intake. It is a fine threaded fitting with a screwdriver slot in it and a lock nut. About 3/4 AF. Loosen the locknut then screw the fitting in or out. Screwing it in makes the mixture weaker. Try half a turn at a time and see how it goes. Nip up the locknut when finished.
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  4. 9th August 2009, 07:47 PM #4
    mark2
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    Quote Originally Posted by blackbuttdisco View Post
    On mine there is a fitting in the gas line to the air intake. It is a fine threaded fitting with a screwdriver slot in it and a lock nut. About 3/4 AF. Loosen the locknut then screw the fitting in or out. Screwing it in makes the mixture weaker. Try half a turn at a time and see how it goes. Nip up the locknut when finished.
    There should also be a screw in the convertor which adjusts idle mixture.

    Dont lean out the lpg mixture too much, particularly with the adjustor in the vapor line - a lean lpg mixture can result in engine damage.

    Its best adjusted on a dyno with a CO sensor in the tailpipe to achieve the correct mixture under load.
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  5. 10th August 2009, 04:20 PM #5
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    scarry
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    Quote Originally Posted by mark2 View Post

    Its best adjusted on a dyno with a CO sensor in the tailpipe to achieve the correct mixture under load.
    X2

    The only way to do it properly.

    The other way is to fiddle with it & hope its ok,but could be to lean & you wont know until the valves are burnt.

    And before it goes on the dyno make sure you have a new air filter fitted & no manifold leaks.
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