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cewrx7r1 · 10-27-2008, 10:21 PM

The boost curve is sloppy like your EBC is not functioning too well or not properly hooked up. It spikes and then drops off erraticaly.

Mine did that when I first hooked it up. Then I tried hooking my EBC differently than the manual showed. If you use the turbo outlet as your boost source for both the WG and EBC, then it senses a higher base pressure than the controlled pressure source. This is caused by the pressure drop in the IC.

I take my pressure source from my Greddy TB elbow and that "Ts" into the WG side and WG solenoid input. The IC also acts like a filter to smooth out fluctuations.

This made a great improvement in my boost control. You might also need to experiment with the GAIN to obtain the quickest spoolup that does not either cause spiking or boost start to increase.

You max HP was produced at 15 psi boost. Thus if it stayed at 16psi, you would have made maybe another 15 HP.
"Ray said I was making about 15HP / pound of boost."

10-27-2008, 10:21 PM	#14
cewrx7r1 The Judge Join Date: Feb 2008 Posts: 196 Rep Power: 18	The boost curve is sloppy like your EBC is not functioning too well or not properly hooked up. It spikes and then drops off erraticaly. Mine did that when I first hooked it up. Then I tried hooking my EBC differently than the manual showed. If you use the turbo outlet as your boost source for both the WG and EBC, then it senses a higher base pressure than the controlled pressure source. This is caused by the pressure drop in the IC. I take my pressure source from my Greddy TB elbow and that "Ts" into the WG side and WG solenoid input. The IC also acts like a filter to smooth out fluctuations. This made a great improvement in my boost control. You might also need to experiment with the GAIN to obtain the quickest spoolup that does not either cause spiking or boost start to increase. You max HP was produced at 15 psi boost. Thus if it stayed at 16psi, you would have made maybe another 15 HP. "Ray said I was making about 15HP / pound of boost." Last edited by cewrx7r1; 10-27-2008 at 10:27 PM.