ECU Flash
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This is a discussion on ECU Flash within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; I was wondering if anyone could explain to me what would be the best parameters to adjust to slightly raise ...

  1. #1
    Registered User anpato's Avatar
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    ECU Flash

    I was wondering if anyone could explain to me what would be the best parameters to adjust to slightly raise boost levels im talking 2-3 psi safely without messing around with too many other parameters.
    2013 SWP WRX Sedan
    Hillside, NJ
    Invidia Catless Downpipe, Custom Short Ram Intake, Self Tuned Using ECU Flash, Romraider and Tactrix

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    Registered User UEDan's Avatar
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    Boost target...
    But then you gotta make sure your hitting your Max Waste Gate Duty.
    But at 2-3 PSI you might be knocking.... so then double check your Primary Open Loop Fueling and richen up if needed. If that doesn't work... Check your Base Timing and Knock Correction Advance Max.

    Sound easy enough man? Good! Try not to blow up your engine man!


    Orange = sarcastic font = ignore post.
    Last edited by UEDan; 02-20-2013 at 03:23 PM.

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    Registered User anpato's Avatar
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    Simple enough, ive been messing around with ecuflash all day so im getting pretty comfortable with it.
    2013 SWP WRX Sedan
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    zax
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    It doesn't work this way. You don't just "raise boost" to make power. There's a reason the car targets a specific boost pressure.
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    Registered User anpato's Avatar
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    I understand that, I'm trying to learn efi tuning anf boost values seem like the easiest to mess with to learn.
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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by UEDan
    Boost target...
    But then you gotta make sure your hitting your Max Waste Gate Duty.
    But at 2-3 PSI you might be knocking.... so then double check your Primary Open Loop Fueling and richen up if needed. If that doesn't work... Check your Base Timing and Knock Correction Advance Max.
    There's a lot of other tables that need to be modified in order to properly raise the boost.
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    Registered User UEDan's Avatar
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    Yeah I know man, thats what I was trying to hint at

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    Registered User Heide264's Avatar
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    Quote Originally Posted by UEDan View Post
    Boost target...
    But then you gotta make sure your hitting your Max Waste Gate Duty.
    But at 2-3 PSI you might be knocking.... so then double check your Primary Open Loop Fueling and richen up if needed. If that doesn't work... Check your Base Timing and Knock Correction Advance Max.

    Sound easy enough man? Good! Try not to blow up your engine man!
    Wut?

    Your boost target map will raise boost a bit, but if you are hitting your max WGDC... well... you aren't gonna get any more boost regardless of your target boost map.

    I wouldn't add any fuel to a stock car map. I'd just cut timing back.


    anpato - if you have to ask that question, you should do a lot more reading first. I have no issue with people tuning there cars - assuming they understand what they are doing. Are you familiar with wgdc at all? any idea how the boost control system works?
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    Registered User UEDan's Avatar
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    Re: ECU Flash

    Woops typed too fast meant. "Make sure you're NOT hitting Max Wastgate Duty"

    Posted from a fone.

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    and the Funky Bunch Calvinball's Avatar
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    Quote Originally Posted by UEDan View Post
    Boost target...
    But then you gotta make sure your hitting your Max Waste Gate Duty.
    But at 2-3 PSI you might be knocking.... so then double check your Primary Open Loop Fueling and richen up if needed. If that doesn't work... Check your Base Timing and Knock Correction Advance Max.

    Sound easy enough man? Good! Try not to blow up your engine man!
    Sarcastic Font Failure.

    Fixored.
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    Registered User Heide264's Avatar
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    Quote Originally Posted by UEDan View Post
    Woops typed too fast meant. "Make sure you're NOT hitting Max Wastgate Duty"

    Posted from a fone.
    Even then, you are relying on your wgdc corrections to get you to the boost needed. They do not always extend to the max wastegate duty.
    Quote Originally Posted by Trainrex
    He was throwing balloons filled with sulfuric acid and shrapnel at the swat team. They finally had to take him down with rubber bullets.
    2011 STi Build Log
    -Part 1 - Reading, Data Logging, and Analyzing Data
    -Part 2 - Turbocharger 101 & Basic Boost Control
    -Part 3 - EcuFlash, Experimental Defintions, and a Drive By Wire Intro

  13. #12
    Registered User UEDan's Avatar
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    Quote Originally Posted by Calvinball View Post
    Sarcastic Font Failure.

    Fixored.
    Thank for that =)

    Quote Originally Posted by Heide264 View Post
    Even then, you are relying on your wgdc corrections to get you to the boost needed. They do not always extend to the max wastegate duty.
    I'm not saying that, what I originally posted was not what I originally meant.

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by UEDan
    Yeah I know man, thats what I was trying to hint at
    The problem is that someone unfamiliar with internal combustion engines and EFI tuning could read your post and believe that is all that needs to be modified and could end up damaging their car. Case in point, the reply just after yours:
    Quote Originally Posted by anpato
    Simple enough, ive been messing around with ecuflash all day so im getting pretty comfortable with it.
    This isn't something you pick up in a day, week, or a month. There are months of reading and knowledge base building needing to be done before you start tinkering, if you want to do it safely.
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    Registered User UEDan's Avatar
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    Fix'd.

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    zax
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    Quote Originally Posted by EJ257 View Post
    This isn't something you pick up in a day, week, or a month. There are months of reading and knowledge base building needing to be done before you start tinkering, if you want to do it safely.
    This. I'm very rapid on the uptake of technical information, but tuning my car has been a project 3 years in the works. Changing parameters without a COMPLETE understanding of the implications may result in a 1.5 tonne paperweight on which you still owe $25k.
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