DIY Turbo Discussion greddy on a 1.8? homebrew kit?

Throttle Body Hose

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Old 12-24-2020, 06:10 PM
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Default Throttle Body Hose

I just started my turbo build and was wondering where this nipple on the throttle body side should be routed too. Thanks

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Old 12-24-2020, 06:26 PM
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That's your idle air control valve inlet.You can leave it VTA, put a filter on it, or reroute it to your intake anywhere pre-throttle body.
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Old 12-24-2020, 06:48 PM
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Originally Posted by curly
That's your idle air control valve inlet.You can leave it VTA, put a filter on it, or reroute it to your intake anywhere pre-throttle body.
Perfect. Thanks for the help.
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Old 12-24-2020, 08:00 PM
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Originally Posted by curly
That's your idle air control valve inlet.You can leave it VTA, put a filter on it, or reroute it to your intake anywhere pre-throttle body.
I've always hooked up the IAC feed pre-turbo...
Does it not matter?
I've never tried to feed one boost...
It would make it far easier to route just teeing in to the cold side there.
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Old 12-24-2020, 08:44 PM
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Originally Posted by technicalninja
I've always hooked up the IAC feed pre-turbo...
Does it not matter?
I've never tried to feed one boost...
It would make it far easier to route just teeing in to the cold side there.
I had mine on my old 1.6 right off the TB inlet pipe. She loved boost
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Old 12-25-2020, 01:43 AM
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They will leak boost if you don't put in a check valve if running them VTA or pre-turbo. Mine is just plumbed into the tube going to the TB.
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