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Thread: Range rover snorkel, extractors on fuel economy/power

  1. 28th April 2013, 12:09 PM #1
    oversite
    oversite is offline Fossicker
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    Range rover snorkel, extractors on fuel economy/power

    Hi all,

    Does anybody have first hand knowledge of what effect extractors and a snorkel will do to fuel econeomy and power on a 1990 range rover classic V8.

    Thanks,
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  2. 28th April 2013, 12:35 PM #2
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    Homestar
    Homestar is offline Super Moderator & CA manager Subscriber
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    Marginal increase in power and maybe economy depending on how you drive it.
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  3. 28th April 2013, 01:11 PM #3
    Dougal
    Dougal is offline ForumSage
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    Intake mods can't affect economy. Any marginal increase/decrease in resistance is countered by the throttle being marginally more open/closed so the total airflow at cruise remains the same.

    If you want real improvements, look at compression ratio. Each extra whole point of compression can be worth 10% in torque and not far off that in economy.
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  4. 28th April 2013, 06:05 PM #4
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    Richard93Vogue
    Richard93Vogue is offline Master
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    I have extractors on my 93 classic and I can't say they make much noticable difference...mind you it is one of those things that is so often hard to judge because you want them to be a majic wand...Dyno before mods and dyno again after mods is probably the fastest way to tell if they have made a difference.
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