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Old 10-15-2013, 06:05 PM   #47
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Join Date: Sep 2005

that could also cause plug fouling. if coolant temp sensor is broken it may be getting over-rich mixture.

about the WGA: it should have some preload (like half the pin visible through the rod hole while the rod is detached)
dail in the desired boostlevel by using the boostcontroler. You should start to feel the boost from about 2200 on up. From 3000 on up the car should be hauling ass.

as for boostleaks: make sure the manifold has no leaking exhaust gaskets. And the turbo should be tightened down to avoid leaks between manifold and turbine. The compressor housing has a rubber seal or gasket between backingplate and snailhousing. If that leaks you also lose boost.
It's all in the details.
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