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tuners drilling the throttle body blade

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Old May 11, 2012 | 08:54 PM
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Default tuners drilling the throttle body blade

are tuners still recommending to drill the throttle body blade to
help with high idle issue?

i thought that was a sign of a **** poor tuner?

anyhow i believe that aint right,
my engine doesnt idle right so the tuner points fingers to anything but
his tune.

is this practice still going around?

he says he is using HP Tuners!

W T F !
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Old May 11, 2012 | 08:55 PM
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anyone got any input on this?
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Old May 11, 2012 | 08:59 PM
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My tuner says that's retarded to drill the hole out bigger
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Old May 11, 2012 | 09:22 PM
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It is in the tune. No need to drill.
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Old May 11, 2012 | 09:27 PM
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Tuner doesn't know how to idle tune. It generally cause more idle problems..
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Old May 11, 2012 | 10:10 PM
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I am running a Nelson tune and having the same damn problem. Very aggrevating pulling up to a stop and truck wanting to die. Yeah mine will be getting dyno tuned shortly.
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Old May 11, 2012 | 10:22 PM
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only reason to drill is when not tuned and it will help it stay on till u go get it tuned
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Old May 11, 2012 | 10:55 PM
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Idle is tougher on the DBC cars/trucks. If you have a huge engine that pulls a lot of vacuum you may need to drill it slightly, but not a ton. Basically the engine needs more air than the IAC valve can supply. On DBW TBs this is a non-issue. Notice on stock LS1s the TB is drilled...

On a side note, I bought my TB second hand, it was drilled, and my truck idles fine.
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Old May 11, 2012 | 10:57 PM
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Originally Posted by Atomic
Idle is tougher on the DBC cars/trucks. If you have a huge engine that pulls a lot of vacuum you may need to drill it slightly, but not a ton. Basically the engine needs more air than the IAC valve can supply. On DBW TBs this is a non-issue. Notice on stock LS1s the TB is drilled...

On a side note, I bought my TB second hand, it was drilled, and my truck idles fine.
very true, i had to slightly drill mine cause the engine was pulling so much vacuum, no issues at idle neither
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Old May 12, 2012 | 12:06 AM
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My dbc is drilled. It's not illegal just frowned upon.
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