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This is a discussion on boost? within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Gotta question about the stage 2 access port. Are you able to change the boost indipendantly with the access port? ...

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    boost?

    Gotta question about the stage 2 access port. Are you able to change the boost indipendantly with the access port? Say I'm running rich can I change the boost with the access port instead of a manila boost controller?

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    Master Baiter EJ257's Avatar
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    Sure. Create a map with a lower boost target.
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning

    "Never trust anything that bleeds for a week and lives ..."

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    OMG WTF MainFrame's Avatar
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    Yea, you can make a new map with different boost targets.. that wouldn't address the problem of running rich though.

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    Quote Originally Posted by EJ257 View Post
    Sure. Create a map with a lower boost target.
    What do you mean? I'm upgrading my turbo and trying to boost 22 lbs. I've done internals, intake, exhaust, intercooler, Bov atmospheric, and I know I'm missing something... A stage 2 map that is running like crap...

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    K thx.

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    OMG WTF MainFrame's Avatar
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    Practically everything in the map needs to be retuned for a turbo swap. A stage two map is only for use with stock turbo and aftermarket downpipe. Cobb clearly states what the map is designed for.



    You can't just upgrade the turbo without proper supporting mods. Hopefully you're not trying to drive your car like that.. and if you already did, hopefully the engine isn't already ruined.

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    Internals are done, I gotta custom map done at cobb for the new turbo. I'm just trying to figure out if I can use the access port as a boost controller?

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    OMG WTF MainFrame's Avatar
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    Just about any turbo swap is going to require higher flowing fuel pump and injectors.. most do not require aftermarket internals.



    If Cobb did your map, get them to adjust the boost targets.. although the boost is probably set where it is for a reason. Most tuners I know will run just about as much boost as the car will safely and efficiently run. You shouldn't arbitrarily change boost targets without adjusting other parameters accordingly.


    The AccessPort is a method of adjusting the ECU, and the ECU controls the boost controller (if you are running an EBCS).

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    Internals are done, I gotta custom map done at cobb for the new turbo. I'm just trying to figure out if I can use the access port as a boost controller?

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    Ok. I appreciate your input. I do have fuel injections and pump as well. I have 1000 cc injectors and a Gt30r turbo.

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    Registered User UEDan's Avatar
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    Quote Originally Posted by buddhawrx View Post
    Internals are done, I gotta custom map done at cobb for the new turbo. I'm just trying to figure out if I can use the access port as a boost controller?
    With just the AP, no. You cannot.

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    Registered User UEDan's Avatar
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    First off, you do know that Subarus need to run a bit on the rich side right?
    Second, what makes you think you are running so rich that you'll need to turn up boost?

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    Not only am I running rich, my afr is also super high. I don't have a manual boost controller but I do have all the supporting mods for higher boost. The tune I have also has been on for 20000 miles, so, I'm trying to just be able to kill two birds with one stone if possible withthsport.

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    OMG WTF MainFrame's Avatar
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    I'm confused.. you're saying that Cobb tuned your car and it is running rich, but also super lean at the same time? If Cobb screwed up your tune 20k miles ago, why didn't you get them to fix it then?

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    I bought the car with the tune. I'm trying to make it run better. I have done the internals. But the other mods came with the car.

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