DIY: Throttle body Upgrade on Stock 99 Civic Ex

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Old Oct 27, 2011
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DIY: Throttle body Upgrade on Stock 99 Civic Ex

D16y8 gets a Omni 70mm throttle body and a intake manifold inlet ported to match, and a mild port on the exhaust side of the head.

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The intake filter and tubing are just temporary, new setup tomorrow.
[IMG]http://i281.photobucket.com/albums/kk210/Johnhenry_album/tb8.jpg[/IMG]


After

I hate the steel wheels!!! Still looking for a decent set of older stock aluminum honda wheels.

She got me close to 400 miles for the first tank since upgrade.

Last edited by sdaidoji; Nov 30, 2013 at 12:31 PM.
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Old Oct 29, 2011
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Re: Throttle body Upgrade on Stock 99 Civic Ex

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Old Oct 30, 2011
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Re: Throttle body Upgrade on Stock 99 Civic Ex

dropped in tonight:
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Old Oct 30, 2011
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Re: Throttle body Upgrade on Stock 99 Civic Ex

Pulls after coil,cai,mild port,t.b.,iridium plugs,4-2-1 header,
111029_007.mp4 - YouTube

111029_006.mp4 - YouTube

111029_005.mp4 - YouTube
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Old Feb 4, 2019
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Re: DIY: Throttle body Upgrade on Stock 99 Civic Ex



Can anyone tell me where this pipe should be connected from throttle which I have marked "Red" on throttle body after censor?
and what does this pipe work for?

I newly installed my engine D15B Vtec in my Honda 1999 but mechanic didn't put this pipe
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