Quote Originally Posted by Wsmccoy View Post
A Manual boost controller does add pressure to the top of the wastegate. That's how it works. Darkhorizon is right about a lot of what he says. He has an awesome 3800 turbo engine. Get a boost controller and turn it up to 12 pounds the engine will handle it just fine I've ran 12 pounds at the track with my Z3 kit and had no problems
I guess people hook them up differently. Not saying yours is wrong, but I have never hooked up the top port of a wastegate on the last 4 cars I've put turbo kits on, and I've never had a problem. I was always told unless you have an electronic boost controller you leave the top port to atmosphere.