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  1. #1
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    8 out of 8 members liked this post. Yes Reputation No

    DEFIV Fabrication Direct Port Methanol Setup - Tuning Begins

    After the direct port methanol setup was completed, strapped on and shaken down we sourced a BT Cable from @LostMarine so that @rick@defiv could begin tuning in earnest.

    The last log from that day is here: http://datazap.me/u/uniter/defiv-fab...ce-added?1-5-6 Rick was able to add in additional timing as well as pull out timing advance / IAT compensation values (DEFIV is experimenting with their own IAT sensor but softening the compensations tables does the same ATM.)

    The DEFIV Plate can accommodate a fuel rail, methanol and nitrous nozzles all at the same time.

    Here's a shot of the nozzles spraying in a test run:


    The Procede is doing a good job of managing the PWM Meth injection system and introducing more timing advance on top of our flashed values. I'm sure that any HFS-4 system could do the same.

    All in all I'm enjoying the new-found power, I'm confident that I'm getting well metered equivalent flow into each cylinder.

    On to the pics:
    Click here to enlarge
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    "its stock"
    Click here to enlarge
    LEMANS BLUE M-TECH E92->PROCEDE REV3::ETS 7" FMIC::RACELAND DPS::WAVETRAC DIFF::DEFIV DIFF LOCKDOWN::DEFIV OCC::DEFIV INTAKE::RB PCV

  2. #2
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    whoa!! nice job, i just saw you uploaded this log on datazap so i came right over here hoping for a thread on it hahah
    335xi (sold)
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    Click here to enlarge

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    Click here to enlarge Yeah @rick@defiv still has more tuning up his sleeve, I just have to let the car go long enough for him to do it!
    LEMANS BLUE M-TECH E92->PROCEDE REV3::ETS 7" FMIC::RACELAND DPS::WAVETRAC DIFF::DEFIV DIFF LOCKDOWN::DEFIV OCC::DEFIV INTAKE::RB PCV

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    This is soooo freaking cool!

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    very nice. did the plate affect the fitment of the aftermarket charpe pipe?
    2011 335is DCT, JB4 + MHD BEF, stage 2 LPFP, e50 + 50/50 meth, FBO, MT ET Streets when needed


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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    very nice. did the plate affect the fitment of the aftermarket charpe pipe?
    It pushes the TB inlet like an inch offset. So yeah the fitment changes, ER or STETT CPs should be fine.
    LEMANS BLUE M-TECH E92->PROCEDE REV3::ETS 7" FMIC::RACELAND DPS::WAVETRAC DIFF::DEFIV DIFF LOCKDOWN::DEFIV OCC::DEFIV INTAKE::RB PCV

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    Click here to enlarge Originally Posted by bigdnno98 Click here to enlarge
    very nice. did the plate affect the fitment of the aftermarket charpe pipe?
    Nope. Fits eerily well to my surprise.

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    Did you have to use longer intake manifold studs to clear the plate? I've always thought this could be done by biasing the IAT sensor during WOT conditions only, but had to wait for the software gurus to figure it out. Even with the checkvalve nozzles, I'm still concerned with flashback though. Any servicability issues with the nozzles under the mani? Any pics of the runners in the adapter plate showing nozzle fittment? I've wanted to do this for so long!

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    Click here to enlarge Originally Posted by rick@defiv Click here to enlarge
    Nope. Fits eerily well to my surprise.
    Awesome stuff!
    There are two theories to arguing with women. Neither one works

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    Also, a few timing dropouts in that log. Did you measure actual flow at 14V? Did you capture bank 2 fuel trims?

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    Click here to enlarge Originally Posted by Tzu Click here to enlarge
    Also, a few timing dropouts in that log. Did you measure actual flow at 14V? Did you capture bank 2 fuel trims?
    Longer intake mani studs were created.

    Bank 2 wasn't cap'd, there's more important parameters to data log (like bank 1 & 2 AFR.) What do you mean by 'actual flow at 14v'? This is using the digital hall sensor to measure the flow. The Procede guys tell me it's just an 'arbitrary number' which differs with each setup.

    There are some timing drops; this is the result of 3 experimental flashes and road logging done yesterday. A smooth tune will require a bit more of Ricks time massaging all the tables into order.

    We've discussed biasing the IAT sensor when we have methanol flow and WOT; also we conducted some measurements of the in-port IAT sensor (which seems to be working.) There's definitely a few avenues for addressing IAT compensation.
    LEMANS BLUE M-TECH E92->PROCEDE REV3::ETS 7" FMIC::RACELAND DPS::WAVETRAC DIFF::DEFIV DIFF LOCKDOWN::DEFIV OCC::DEFIV INTAKE::RB PCV

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    this is some exciting stuff...can't wait to see the fully tuned results Click here to enlarge

    throw some logs into VD too and post up those charts

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    The adapter plate looks interesting. Any close up photos so I can see how meth nozzle clearance is, how traditional injectors would mount, etc?
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    nice setup! The meth flow does seems to vary by up to 5 points... my experience is steady within a value of 1 at max DC day to day, run to run. Prob not a big deal, but I'd at least think about it. I take it no check valves... I think AQ offers nozzles with them. Measuring the flow would be good to know where you're at in volume.

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    The adapter plate looks interesting. Any close up photos so I can see how meth nozzle clearance is, how traditional injectors would mount, etc?
    I'll email you a 3D drawing once I've finished the design in Solidworks-I did countersink the nozzles, which are entering each port at a 45 degree angle from the bottom edge to accommodate additional injectors to be more centrally located in the port. Essentially, It will be like a standard port injection setup as far as angles are concerned, just upside down.

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    Click here to enlarge Originally Posted by JoshBoody Click here to enlarge
    nice setup! The meth flow does seems to vary by up to 5 points... my experience is steady within a value of 1 at max DC day to day, run to run. Prob not a big deal, but I'd at least think about it. I take it no check valves... I think AQ offers nozzles with them. Measuring the flow would be good to know where you're at in volume.
    They are aquamist 0.4mm checkvalved nozzles, we're still collecting data, but yes that is something I had noticed as well.

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    Sounds great. Maybe this will be the solution to our single turbo fueling woes. Six normal low pressure fuel injectors with the JB4 running them. Click here to enlarge
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Sounds great. Maybe this will be the solution to our single turbo fueling woes. Six normal low pressure fuel injectors with the JB4 running them. Click here to enlarge
    That's the idea...Click here to enlarge

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    Nice. The days of using DI for cooling and efficiency and PI for volume will soon be upon us.
    Eppur si muove.

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    Click here to enlarge Originally Posted by uniter Click here to enlarge
    What do you mean by 'actual flow at 14v'?
    Powering the pump at 14 volts, 100% FAV DC and measuring 'actual' flow in a cup.

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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Sounds great. Maybe this will be the solution to our single turbo fueling woes. Six normal low pressure fuel injectors with the JB4 running them. Click here to enlarge

    Please tell me you will at least setup some type of batch fire compatibility. I challenged Shiv to this task many years ago, and he didn't step up to the plate. If you can do this, I'd seriously consider the JB4 for the first time actually.
    Click here to enlarge
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    Anything we can do to safely get more fuel in will be on the table. I'd be happy to program the JB4 to batch fire injectors once the hardware is available to me.
    Burger Motorsports
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    Click here to enlarge Originally Posted by Terry@BMS Click here to enlarge
    Anything we can do to safely get more fuel in will be on the table. I'd be happy to program the JB4 to batch fire injectors once the hardware is available to me.
    Some people get worked up over the sequential vs batch. But IMO, batch fire would be totally sufficient.
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    Click here to enlarge Originally Posted by klipseracer Click here to enlarge
    Please tell me you will at least setup some type of batch fire compatibility. I challenged Shiv to this task many years ago, and he didn't step up to the plate. If you can do this, I'd seriously consider the JB4 for the first time actually.
    I feel bad for you, you were preaching this until blue in the face and everyone was giving you $#@!. Now that someone did it, everyone is acting like they turned lead into gold. I guess all it takes is someone to do it...Click here to enlarge We all know you were out there trying to make it happen over a year ago...Click here to enlarge

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    Need to calm that timing down a bit, but looks good otherwise. Great project!
    2011 E90 M3 \ Melbourne Rot Metallic

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