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Cam Swap Drilled TB mod?

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Old 06-20-2004, 11:51 AM
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Default Cam Swap Drilled TB mod?
The Drill mod on the TB suggested with the Cam swap... Does it apply/needed witha ported throttle body?

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Old 06-21-2004, 11:45 AM
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Anyone?
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Old 06-21-2004, 11:51 AM
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Many of the ported T/Bs I've seen leak enough air between the blade and body from the porting that they do the same as drilling the hole bigger.
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Old 06-21-2004, 04:16 PM
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Sorry if I'm reading into the question more than I should...

Do you get the same gains HP wise with the drill mod vs. ported TB's?
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Old 06-21-2004, 06:25 PM
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The drill mod is only to make a cammed car idle better by allowing additional air to pass by the butterfly than the IAC allows. It has nothing to do with HP.
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Old 06-21-2004, 06:49 PM
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cool, thanks
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