Zoomspeed

We are currently runnign the tail wastegate w/o a boost controller. The max boost were getting now is 6 PSI. Whats happening is that around 6k RPM the boost starts slowly dropping until it gets to 5PSI at redline.

Any idea whats going on and how to fix it?

Thanks

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93 Rx-7 TT
**Apex intake**Pettit SS DP**Blitz NurSpec cat-back**H&R springs**G-force ECU**Dawes Device boost controler**18x9 Borbet wheels**

87 supra NA (no engine, soon to be turbo)

 

Quaalude

where do u have the boost source for the wastegate?....what port did u use on the WG?

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Out of comission again.

Zoomspeed

There is a line that goes from the turbo to the lower port of the wastgate. Thats all.

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93 Rx-7 TT
**Apex intake**Pettit SS DP**Blitz NurSpec cat-back**H&R springs**G-force ECU**Dawes Device boost controler**18x9 Borbet wheels**

87 supra NA (no engine, soon to be turbo)