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Thread: vacuum advance

  1. 12th May 2007, 06:26 AM #1
    jasper110 Guest

    vacuum advance

    for reasons unknown i removed and blanked the vacuum advance hose from my 3.5 V8 stromberg carb to the distributor. i run solely on LPG. the engine seems to run better at idle, start better and feel more responsive (if thats at all possible). how come? should i leave it plugged? am i doing harm?
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  2. 12th May 2007, 03:25 PM #2
    jasper110 Guest
    anyone?
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  3. 12th May 2007, 03:48 PM #3
    PhilipA
    PhilipA is offline Swaggie Subscriber
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    Have you sucked on the hose?
    If the diaphragm in the dizzy was split, you would get a lean mixture.
    By blocking it, the leak into the manifold is cured.
    If the diaphragm is split, it will go MUCH better with a new one.
    Regards Philip A
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  4. 12th May 2007, 04:34 PM #4
    jasper110 Guest
    the dizzy is less than a year old and in good condition. i was wondering if the difference is down to the different burn characteristics of LPG?
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  5. 12th May 2007, 04:40 PM #5
    PhilipA
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    Maybe one of the LPG experts will answer, But AFAIK LPG likes more initial advance than petrol.
    Regards Philip A
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