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ported tb, 4500 idle

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Old Jan 25, 2008 | 08:36 PM
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Default ported tb, 4500 idle

i just got my ported throttle body and it idles at 4500, the blade doesnt seem to fully close, how would i lower the idle screw? take it in or out?
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Old Jan 25, 2008 | 08:38 PM
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what do you mean? unscrew it so the blade closes...it's not that technical
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Old Jan 25, 2008 | 09:56 PM
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something might be wrong then, the screw is all the way out, but the blade is def not closed, little confused
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Old Jan 26, 2008 | 01:54 AM
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can you take a picture of it? Maybe loosten up the two screws on the blade and try to recenter it. It's probabally not centered and it's sticking on the inside of the body causing it to stay open
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Old Jan 26, 2008 | 02:02 AM
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maybe they ported it to much and air is seeping around the blade. take it off and hold it up to the light and check for gaps between the blade.
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Old Jan 26, 2008 | 11:34 AM
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Did you hook up the vacuum line to the new TB? Is the hole on the TB drilled out to a larger diameter? Is the TB itself over ported around the blade? Have you tried to recenter the blade? My old TB stuck because the blade wasn't centered...Sounds like there is more than 1 thing wrong. That idle is waaaaayyyyyyyy to high.
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Old Jan 26, 2008 | 05:46 PM
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yes i did hook up the vacuum line, the cord seems to be to short for the throttle body?, not sure i understand why?
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Old Jan 26, 2008 | 06:00 PM
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some of the later model f bodies have an adjustable throttle body. if you follow the cable form the body you should see a box like unit on it. It's not to big but that is where you can adjust it.
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