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Registered
Join Date: May 2014
Location: France
Posts: 49
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The Purpose of a 964 Idle Motor "Muffler" ?
Hi,
On the 964 intake system, there is a little "muffler" that resides between the 2-wire idle motor and the intake. ![]() When we look at the later 993 plastic intake models, the idle motor was changed to 3-wire and plumbs directly into the intake without said muffler. Does anyone know what is the purpose/function is of this muffler? Could it perhaps be related to the behaviour of the 2-wire idle motor, which actually needs engine vacuum to fully shut? Asking because it relates to an EFI (for 911SC) project I'm still refining... Regards, Daniel |
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