Originally Posted by
pamdam
but the set up on this rs makes no sense to me and even with the mbc in place the boost goes all the way up.
I had this on my brother's RST. The chip in the ECU is telling the AMAL valve to bleed off to the desired boost level. If you get a small piece of hose from the comp housing to the actuator that will bypass the AMAL valve and just use the actuator setting.
Lee