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swoope 05-23-2006 08:15 PM


Originally Posted by MazdaManiac
For every PSI of boost you see in the manifold, there is 2 PSI of exhaust flowing at a minimum.
Really, you are seeing more like 22 PSI of exhaust pressure in the exhaust manifold and it just can't make it through the turbine, so it pushes the WG flap aside.
Really, if it didn't do that, you would be overspinning the turbo. However, I'd rather have the WG decide when to open based on a signal from the compressor. That is supposed to be how the relationship works. Exhaust spins the turbine, the compressor makes the proscribed amount of pressure and then tells the WG to do its thing. It is a continuous feedback loop.
This is why having the WG plumbed to the IM instead of the compressor outlet is a bad thing.
Even a tiny Tial WG plumbed into the DP would probably do the trick.


The TD06 part is all that matters. The suffix is related to the turbine A/R.

mm,
thanks.. the lightbulb just went off in my head....

great post...

beers :beer:


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