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Discussion Starter #1
I have a turbosmart 50mmwastegate with a 7psi spring. The wastegate gets its boost reference from the compressor housing. Im only getting 3# of boost on the gauge. the gauges boost source is from the manifold. Could the difference be a drop from the IC, and if so can I use a boost controller to get the boost back to 7psi.
 

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Discussion Starter #4
4psi is alot of boost drop for the coldside and intercooler. What style intercooler do you have? You likely have a boost leak somewhere between the turbo and tb.
It's a 4 " think intercooler with 3" piping . I can't remember exact measurement but I had to clearance bumper supports to make it fit on a 2v. I was told it was a procision core but there are no marking on it.
 
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