max boost 27ish?
no the little hole does not build boost. what it does is when you diafram closes it sucks air, that hole makes it get air to close the gate
Thread
Thread Starter
Forum
Replies
Last Post
stewart.william.c
24 Valve 2nd Gen Dodge Cummins 98.5-02
0
Feb 11, 2015 01:39 AM
offroad00
12 Valve 2nd Gen Dodge Cummins 94-98
24
Oct 23, 2014 03:28 PM



.
