Sapphonica

Does anyone know how to install the vacuum ports (where do they go???) for the GReddy boost controller solenoid, & how that integrates with the E01?

Thanks!

If I find out first, I will post instructions.

adrian-1

Hookup the vacuum line from the actuator to "COM" on the solenoid.
Connect a line from the "NO" port to one of the nipples on the passenger side of the intake manifold.
Make sure you remove the plastic plug from the "NC" port and leave it open.

Then there's the power connector that connects from the solenoid to the E-01. (run through the firewall)

Also, there is a boost pressure sensor that is already supplied with the RX8 Greddy turbo kit, BUT the E-01 also needs that reading. For that you need to get the "E-01 PRESS SENSOR HARNESS" ($20). The pressure sensor will now connect to the E-01 instead of the emanage, and then connect the new harness from the E-01 to the emanage. This way both units get the reading.

Sapphonica

a-HA! My installer told me to plug COM & hook up the wastegate to NC.

The tosser!

Moostafa29

Do I need some sort of pressure sensor harness for the Profec B Spec 2 as well? From the diagram, I understand the part with the valve control unit, but there is also a 4mm hose that goes from the boost controller, to a 3 way fitting. I'm just not sure what I'm supposed to hook that fitting to. I'm guessing the pressure sensor, but I'm really not sure. Any help?

MadDog

The 4mm hose is routed to the boost controller itself? Does it have a pressure sensor internal to the controller?

I have a three-way fitting that splits the signal at the intake manifold to the pressure sensor and the BOV. There is a small venturi that goes on the side with the sensor, i guess to minimize the losses due to the BOV.

-MD

Moostafa29

Yeah, from what I can tell. On the Profec B, there is a wire that goes from the unit, to the control value, then there is a separate 4mm hose connected.

adrian-1

That's correct, the Profec B SpecII has a vacuum nipple on the back of the controller. That's how it gets the pressure reading.
Moostafa29, connect it to the intake manifold using a 3-way fitting.

The E-01 is different since it uses a pressure sensor exactly like the one the Turbo kit comes with. There's not vacuum nipple on the E-01, just a plug connector.

Moostafa29

Ok, thanks adrian! So it sounds like I was correct, the 3 way fitting should have one hose to the boost controller, one hose to the intake manifold, and one hose to the pressure sensor.

Moostafa29

So there is a 3 way fitting from the intake manifold, to the bov, to the pressure sensor?? Does this actually mean that when using the Profec B there should be two 3 way fittings in the connection? One 3 way fitting from the intake manifold, to the bov, then a hose linking the two 3 way fittings, to the pressure sensor, to the boost controller? I thought I understood it, but now reading this, I'm a little lost

MadDog

sounds like you've got it right to me. But damn, thats a lot of three-way fittings! Probably too much. I'd consider using one of the ports on the passenger's side of the engine. One of them will be used for the wastegate actuator, but the other could be used for the pressure sensor.

-MD

Moostafa29

I would, but I was going to use the boost gauge for one of the nipples, and of course the wastegate actuator for the other. But yes, it seems like there are a whole lot of 3 way connections.