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what is this on mcx 190 turbo

loudelectronics

TY 4 Stroke Guru
Joined
Dec 1, 2007
Messages
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Souris, Manitoba
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Does this nipple need plugged? Nothing in instructions about it. Not sure what it is for.

Installing right now.

OK can't upload pic from phone. It is the nipple on backside of turbo control valve. It controls boost pressure for elevation. Two nipple are used and the other is not. Guessing it is for a boost guage but my guage did not get sent out.
 

Also make sure you have the hose on the right nipple for the TCV valve. Ours shipped on the wrong hose don't ask me how that happened, it was boosting 15 psi!!! Another good reason to have a boost gauge.
 


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