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Eboost Street connection

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Old 06-10-2013, 10:46 PM
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Good to know. It a very rudimentary tune at the moment. 12* at WOT with 10+ psi.
Old 06-11-2013, 05:17 PM
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Originally Posted by scooter k
The solenoid is mounted on the driver's side rear of the intake. Do you think that's too much hose length down to the wastegate? Probably 3'-4' on each hose.
I mounted mine to the firewall in front of the rear of the intake, then a 3.5' hose to the wastegate. Using the 1 port method I had a hell'uva time getting higher boost (18-21) to work with SP1=20-50, gp1=13-21, and sens1=20. I found that for 20lbs of boost I had to use a SP1=75, gp1=17, and sens=20 with max boost/safety= 25. Holds solid at 20lbs for me with my pt88/5.3 combo.

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Old 06-11-2013, 07:38 PM
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Originally Posted by JoeyGC5
I mounted mine to the firewall in front of the rear of the intake, then a 3.5" hose to the wastegate. Using the 1 port method I had a hell'uva time getting higher boost (18-21) to work with SP1=20-50, gp1=13-21, and sens1=20. I found that for 20lbs of boost I had to use a SP1=75, gp1=17, and sens=20 with max boost/safety= 25. Holds solid at 20lbs for me with my pt88/5.3 combo.
Thank You. Good info!
I switched to a different two port method to try it out.
Old 06-12-2013, 06:00 PM
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Well this afternoon I hooked it up as follows....
port 1 bottom port of wastegate and port 1 of solenoid to compressor
housing pressure source via a tee
port 2 top of the wastegate
port 3 to atmosphere

Ran it sp 1 40
gp 18.5
sn 20
12psi

changed sp 1 to 70 and left the rest the same

12psi

Now what?
From what I can see it's running on the spring only as that's what it does with nothing on the wastegate.
Old 06-12-2013, 07:30 PM
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Are the controller and your map sensor reading concordantly?
Old 06-12-2013, 08:06 PM
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Originally Posted by GMCtrk
Are the controller and your map sensor reading concordantly?
Yeah. The eboost, autometer boost gauge, and the map sensor all read the same.
Old 06-12-2013, 08:08 PM
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I'd call turbosmart. Sounds like the solenoid could be bunk.
Old 06-12-2013, 09:28 PM
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I have a gauge for that
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What wastegate spring do you have in there?
Old 06-13-2013, 08:44 AM
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Originally Posted by Atomic
What wastegate spring do you have in there?
Not sure but it's the spring that came in it. Got the kit from KB Racing.
I'd have to look back on the brand. It does 12 on the spring alone
Old 06-13-2013, 05:40 PM
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Got a call back today from Turbosmart! They said one of my settings was wrong and thought overboost. Making it fall back on the spring pressure.
I'm going back to the first two port method since I could actually get it over 20psi. Not sure but I'll put the overboost up some and see what happens.
If nothing else works maybe one of you guys that own a Eboost Street could test it on your own truck if I pay the shipping both ways? It'd at least tell me if it works that way.


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