Anyone using external wastegates knows how to control boost using a 3 port solenoid ?????. They have two inlets, so I don't really have a clear idea.
This is a diagrams of the installation of a HKS electronic boost controller using an external wastegate, so I am sure it must be something similar:



Carlos H.

 

By looking at some of the installation pages of the japaneese electronic boost controllers I think it maybe something like this :



Carlos H.

 

no external wastegate users around here ?????

 

your second diagram looks correct mate, one venting to atmos.

cheers
ian

 

speak to mark or pat... mat be better on bbs.22b.com

 

done

http://bbs.22b.com/ubb/Forum1/HTML/001068.html

[Edited by carlos_hiraoka - 8/27/2002 4:52:31 AM]

 

sorry .....

[Edited by carlos_hiraoka - 8/27/2002 4:51:27 AM]