Hallman Pro RX boost controller?

uphigh

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Trying to install this on my MXC 310 Apex. There is a small hole in the wastegate end of the boost controller barb. Is air supposed to blow out of this hole all the time? When I turn the controller all the way out it leaks air and when I turn it all the way in it leaks air(just not as much). Is this normal? And does anyone have some ideas on how to set the waste gate to 12#? I can't take the sled for a rip unless I load up and head for the mountains.
Thanks for any help/ideas.
 
The answer is yes you need that hole to relieve pressure or you get an air lock and it causes the wastegate to flutter open and closed.
 


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