Just an ideal that I thought of today. I would like to rerout the the coolant hoses so that they will not flow through the egr sleeve and with the egr unplugged it would not be necessary to use the blocker plate. Of course cap the egr fittings I bought one thinking it would help keep the coolant cooler but the rerout would serve the same purpose.

OK with that said I now have a stepper motor that is serving no purpose but to keep the intake air from seeping out to the exhaust. That is where the idea came from. If we could wire the unplugged stepper motor up to the throttle and speedo to open for a short time it would work as a blow off valve and prevent the turbo bark. I only notice turbo bark at no throttle and setting still such as after a sled pull or burnout so if it is rigged to open at no throttle and no speed it would work fine.

All you need is a longer piece of hose, wouldn't need to cap the EGR ends they wouldn't lead anywhere. Go right out of the feed from the stat housing directly to the heater core line.

I don't think the stepper is fast enough to do what you want, but it is an interesting idea.

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You are right about the egr hoses. A low volt charge could open the motor slightly, should be all that is needed. I have read about the gurgle that you get at shutdown with the egr unplugged. I believe the egr is open at shutdown when it us plugged in and allows the boost to escape before it closes thus the gurgle is not happening when it is plugged up.

EGR is closed at shutdown. It is spring loaded to the closed position. The stepper fights the spring to open it.

The gurgle is usually the turbo spinning down and it's fluids.

Though I wouldn't bother with all the electronics to work the EGR.

I have done more research on this idea. I think three in line relays will do the job. One relay off of the throttle position to be active at idle. One on the rpm to be active on a set voltage (for example: measured voltage at 1100 rpm or less). The third will be set to time out after a set time. The egr motor will engage if the the first two conditions are met and then disengage after a set time on the third relay or if the first two paramaters are no longer met.

Fingers, about the gurgle and the egr being closed at shutdown. What I was thinking, just to clarify, if the egr is commanded open at idle and then shutdown occurs, the springloaded egr will close, but how fast. If the spring closes the egr slowly then it might be possible for the boost to seep before it is completely shut - no gurgle.