Mechanical vs. Electronic Boost Guage?
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This is a discussion on Mechanical vs. Electronic Boost Guage? within the Interior Mods forums, part of the Tech & Modifying & General Repairs category; Can anyone tell me the pros and cons of mechanical and electronic boost guages? I did some serching here but ...

  1. #1
    Registered User SPhiNi's Avatar
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    Mechanical vs. Electronic Boost Guage?

    Can anyone tell me the pros and cons of mechanical and electronic boost guages? I did some serching here but didn't come up with anything.

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    Registered User dielectric's Avatar
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    The only pro to a mechanical would be that it's cheaper. Pros for electrical gauges include not running a tube from the manifold all the way to the gauge, better accuracy, peak-hold and warning lights.

    I'll admit, I've been tempted by a cheap VDO mechanical setup, but I keep holding off, saving my pennies for an electrical one. Or maybe someday I'll just build one as a project.
    ribonucleic acid freakout

  4. #3
    Registered User SPhiNi's Avatar
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    Yeah... I admit, I've been tempted by the price. At this point, I don't have any engine mod, so peak hold and warning isn't much of an issue. I just want to be able to see what the turbo is doing. And I like gadgets and meters and stuff, just like any boy (and some girls I'm sure) does .

    And when you say accuracy, how much? Are we talking tenth or two PSI, or one or two PSI? And finaly, what does VDO stand for? Thanks!

  5. #4
    Registered User dielectric's Avatar
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    It seems like a lot of the Autometer mechanical boost/vac gauges are off a PSI or so, which is pretty significant. VDO is a German gauge company, I like their Vision series, which matches the WRX pretty well. No one has complained about their accuracy (that I've seen), so they're probably my first "cheap" choice.
    ribonucleic acid freakout

  6. #5
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    what about a mechanical faze boost gauge? good?

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