#13444, "How to make boost for Star Performance stage II?"
My delta wastegate Mark II has two input, one for boost and the other one is vacuum. Right now the compressor side of the turbo is connected to the boost on the Mark II. It is only making about 4psi, Its already adjusted all the way. I wanted to increased more, a friend told me to hook it up to the intake manifold instead of the compressor side of the turbo. What he doesn't know is if I hook it up to the vacuum on the Mark II wastegate. Which one of the input should I connect to from the intake manifold. Help!!!
#13445, "RE: How to make boost for Star Performance stage II?" In response to Reply # 0
Don't connect ANYTHING to the vacuum port on the Deltagate. It'll just cause it to open at idle, which will degrade performance. it could also lead to an overboost situation if the other port isn'y getting a boost signal - you'd boost the wastegate shut.
If you run the signal line from the boost port on the Deltagate to an intake manifold vacuum/boost source, you will make more boost, but only up to the rating of the spring in the wastegate. Your turbo will work harder (because your turbo is already putting out 7PSI - it's the pressure drop from leaks and intercooler inefficiencies that is causing you to see 4PSI at the manifold - in effect your turbo would be outputting 10PSI, while you'd only see 7 at the manifold, your turbo is working that much harder), but you will see more boost.
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