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Originally Posted by cody
It's because the stock boost solenoid is slow to respond. Upgrading to a better solenoid helps, but apparently nothing responds like an MBC.
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Slow to respond where? If the solenoid is programmed not to cycle until 16PSI and then to cycle to maintain 16PSI, how is that different than a MBC?
If it does not cycle at all until 16PSI, the boost should be indistinguishable from a MBC under low RPM conditions, so lag, etc. should be identical. Thus I am confused by your comment of "Spoolup and response are remarkably better." If that is the boost curve you wanted, why could it not be configured in the ECU? I would think not cycleing at all should not be an issue even if the solinoid is "slow".
Again, I am only trying to understand, not dispute.
I am also trying to understand the taper. Is there some other connection to the MBC so it can sense RPM?