NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   6th Port Actuation: (https://www.nopistons.com/2nd-generation-specific-17/6th-port-actuation-15288/)

ioTus 04-08-2003 09:52 PM

I have a 1985 gsl-se with a 13b 6 port.



I have removed the air pump, power steering, cruise control, fan (got an efan now), and air conditioning.



I have hte acv blockoff plate on.



I have a racing beat dual long primary setup (with a 6th port actuator bung for the 6th ports).



I just need to see how to hook up the actuator to the Lower intake mani.



Do you 2nd gen guys only actuate it by air pump, or by exhaust backpressure?



~Geoff

Rx7Roadster 04-08-2003 09:55 PM

S4s use backpressure while S5s use the airpump.

ioTus 04-08-2003 10:01 PM

k awesome. anyone have pics of an s4 setup w/o the air pump installed? (i know they dont use it for actuation, i just want to see what it looks like)

1Revvin7 04-08-2003 10:05 PM

https://www.nopistons.com/forums/index.php?...ST&f=65&t=14239

ioTus 04-08-2003 10:08 PM


Originally Posted by 1Revvin7' date='Apr 8 2003, 07:05 PM

Already read it, dosent help me out.



I need pictures of the tubes, coming from the exhaust, and to where they connect on the lower intake manifold.

1Revvin7 04-08-2003 10:14 PM

Well it should be on the firewall side of the engine, near the secondary fuel rail, It looks like a pipe nipple as I recall, probably 1/2 in diameter.

ioTus 04-08-2003 10:15 PM

Hmmmmmm. so maybe it was fastened up right. lets see, what else could be wrong!?!? they dont open.



I'm going to wire them back up and see what i can do.

1Revvin7 04-08-2003 10:16 PM

If you can see it its right here

1Revvin7 04-08-2003 10:18 PM

whoops I thought you were asking how the split air tube was hooked up..... Umm the actuators are hooked up by metal vacuum rails under the actuators...

ioTus 04-08-2003 10:26 PM

Well yeah, the split air tube. But i have no air pump. so would it just go to the metal rails under the actuators, and if so, how do i block off the 1/2" top of the exhaust tube?



~Geoff


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