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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Air Control (IAC) air supply.
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<blockquote data-quote="robert presti" data-source="post: 15207840" data-attributes="member: 175530"><p>I'm reworking a car. Greg Banish says the air supply to the IAC should not be on the boost side of a supercharger. There is a little box between the feed and the IAC, I don't know what it's purpose is. </p><p></p><p>The issue is if the car is blow through (MAF location) the IAC is then taking in unmetered air. If the car was draw through I see how one would simply have the IAC fed before the supercharger, but after the MAF. My car has never gone back to a stable idle well. I don't know if it is because the IAC air feed is subject to surge air or if the tune was just that bad. This is an air to air intercooled Procharged car. Any thoughts???</p></blockquote><p></p>
[QUOTE="robert presti, post: 15207840, member: 175530"] I'm reworking a car. Greg Banish says the air supply to the IAC should not be on the boost side of a supercharger. There is a little box between the feed and the IAC, I don't know what it's purpose is. The issue is if the car is blow through (MAF location) the IAC is then taking in unmetered air. If the car was draw through I see how one would simply have the IAC fed before the supercharger, but after the MAF. My car has never gone back to a stable idle well. I don't know if it is because the IAC air feed is subject to surge air or if the tune was just that bad. This is an air to air intercooled Procharged car. Any thoughts??? [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Air Control (IAC) air supply.
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