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Thread: Are throttle body spacers worth the money/performance on our cars?

  1. #1
    JetBlackNinja is offline Cadillac Owners Member
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    Are throttle body spacers worth the money/performance on our cars?

    Does anybody have experience or any familiarity with the gains/benefits of installing throttle body spacers on an ATS? I know the 3.6 ATS shares the same engine as the camaros but I haven't really looked into the forums and I also have a hard time believing these do much if anything of a noticeable performance gain..

    I was looking at a Poweraid throttle body spacer


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  3. #2
    sqkid89 is offline Cadillac Owners Fanatic
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    Re: Are throttle body spacers worth the money/performance on our cars?

    The only time a throttle body spacer does anything useful is when its got a nitrous jet in it. The rest is snake oil.

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    Ragtop 99's Avatar
    Ragtop 99 is offline Cadillac Owners Connoisseur
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    Re: Are throttle body spacers worth the money/performance on our cars?

    Quote Originally Posted by sqkid89 View Post
    The only time a throttle body spacer does anything useful is when its got a nitrous jet in it. The rest is snake oil.
    that's been my experience too.

  5. #4
    Hoosier Daddy's Avatar
    Hoosier Daddy is offline Super Moderator
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    Re: Are throttle body spacers worth the money/performance on our cars?

    I believe its all snake oil, but if my memory serves wasn't part of the benefit supposed to be better atomization from putting the injectors a little farther from the intake valves? All the ATS engines are direct injection (the injectors are in the combustion chamber not in a throttle body like the old days).
    Last edited by Hoosier Daddy; 01-20-14 at 06:34 PM.

  6. #5
    Belman is offline Cadillac Owners Fanatic
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    Re: Are throttle body spacers worth the money/performance on our cars?

    Many moons ago, I put some carb spacers (called Swirlups) on a KZ1000 Kawasaki motorcycle.. They had a money back guarantee that they would add as much power as a set of racing carbs..

    Accorded to the clocks at the local drag strip.. They made no more power than the stock carbs.. But there was a tremendous increase in the off idle torque.. I could come off the clutch a little over idle.. And carry the front wheel 3 inches off the ground.. Just rolling into the throttle.. The bike would leave the line like a rocket..

  7. #6
    sqkid89 is offline Cadillac Owners Fanatic
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    Re: Are throttle body spacers worth the money/performance on our cars?

    Carb spacers could serve a purpose, since it did help with atomization of the fuel, but our injectors are further down the line (like Hoosier Daddy noted). Any uber-minute air flow "straightening" is negated the second it get into the intake.

  8. #7
    JetBlackNinja is offline Cadillac Owners Member
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    Re: Are throttle body spacers worth the money/performance on our cars?

    Thanks fir the reply.. I've always believed these to be a sort of hokus pokus for any real beneficial gains.


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