Need help with wastegate issues......
07-06-2003, 06:13 PM
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Need help with wastegate issues......
First issue: I noticed the dumptube had some carbon deposits so I removed the wastegate. The gasket between the manifold and the wastegate was burned through on one side. It looks like there is a slight gap even when the wastegate is fully closed. Could I have put the [I forgot the name of the part 
] in backwards during the install? I haven't had problems boosting. Or did I not tighten the wastegate down tight enough?
Second issue: I run the wastegate without a vaccum source. The reason being that when I got it dyno-tuned, it would only boost to like 4 or 5 psi. When disconnected it would go to the full 6.5/7 psi. Everybody was shaking there head like, "wtf?" So we left it disconnected and left it at that. I still to this day don't understand.....
Modified by sando112-t at 10:31 PM 7/6/2003
] in backwards during the install? I haven't had problems boosting. Or did I not tighten the wastegate down tight enough? Second issue: I run the wastegate without a vaccum source. The reason being that when I got it dyno-tuned, it would only boost to like 4 or 5 psi. When disconnected it would go to the full 6.5/7 psi. Everybody was shaking there head like, "wtf?" So we left it disconnected and left it at that. I still to this day don't understand.....
Modified by sando112-t at 10:31 PM 7/6/2003
07-07-2003, 08:00 PM
#6
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Re: Need help with wastegate issues...... (sando112-t)
Your gasket was probably leaking the entire time, hence the lack of boost. Instead of your wastegate bleading off exhaust, your gasket was doing it
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