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  1. I like all these creative solutions. Initially...

    I like all these creative solutions. Initially people wanting a true upgrade would have to solder the conversion or crimp the connectors, so this stuff is actually pretty cool to see. I realize...
  2. Ouch, must have been the white wire that got...

    Ouch, must have been the white wire that got grounded. You can't really mess up the DME, it'll shut off that igbt if anything is going wrong, but if that wire is grounded it can leave the coil...
  3. That's no good, I'm running 97550 at .031" for...

    That's no good, I'm running 97550 at .031" for over 2k miles so far on this road trip. Make sure the wires are fully engaged, 2 of mine I used a normal pliers to press onto the plug.
  4. Additional dwell is ok so if the DME wants to add...

    Additional dwell is ok so if the DME wants to add some for age or whatever I'm OK with that, but taking 2ms away was decreasing energy a lot. I was tossing around zero or leaving positive adaptation...
  5. 54328 Issue is there are tables undefined that...

    54328

    Issue is there are tables undefined that effect the dwell so changes to the main table aren't 100% incorporated. You can raise values without issue for more energy but these values are...
  6. +1 just have something made, plenty of places to...

    +1 just have something made, plenty of places to do it here in Houston.
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    Trims are just your variance from calculated fuel...

    Trims are just your variance from calculated fuel demand, which is determined from many things. The issue with looking at trims for airflow changes is that cam timing (intake cam at least) will...
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    :think::handgestures-thumb: ... just make sure...

    :think::handgestures-thumb:
    ... just make sure you take the emails too. All the emails.

    Guide was meant for self tuners to tweak and learn, it became enabling for teenage entrepreneurs to make...
  9. Agree 100% I've already updated IJ and I8...

    Agree 100%



    I've already updated IJ and I8 and sent those xdf to martial, my particular xdf have a few other fixes too but I'll leave all this up to them officially since it was Jake who helped...
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    When I tune a single cam motor I think the same...

    When I tune a single cam motor I think the same as when I tune a N54 or N55, it's just with the newer tech I can maximize at low rpm vs on single cam you just figure it out to choose the profile you...
  11. Replies
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    Sticky the principles of how a motor works always...

    Sticky the principles of how a motor works always apply. Infinite lift, double vanos, direct injection etc just give you more control to optimize at every rpm range to maximize power and efficiency.
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    So the significance of lift, duration, overlap,...

    So the significance of lift, duration, overlap, opening/closing events, and how they effect power at each RPM point for different set ups has changed? I think the only thing that has changed is the...
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    Hmm... Cam tuning hasn't changed in generations. ...

    Hmm... Cam tuning hasn't changed in generations. Tuners are limited by hardware or software sometimes, that makes them about as responsible for inadequacy tuning cams as they are responsible for...
  14. The multispark and dwell adaptation tables are...

    The multispark and dwell adaptation tables are not in the public XDF yet, but as for the dwell it's rpm vs battery voltage, table values are ms charge time (dwell). At lower voltage you need longer...
  15. Alex has a great shop and makes great steak. He...

    Alex has a great shop and makes great steak. He knows his BMW's too!
  16. Thread: Risks of TBI

    by V8Bait
    Replies
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    6,208

    I think I'm one of the few who have had direct...

    I think I'm one of the few who have had direct experience tuning the single and double barrels since I tuned them with Tony a long time ago it feels like. I've not been in the car or anything so...
  17. Thread: Risks of TBI

    by V8Bait
    Replies
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    6,208

    All I know is that I've seen multiple motors...

    All I know is that I've seen multiple motors misfire, enter cylinder shutoff, and run crazy lean afr and melt things. Logic wise this is likely going to be difficult to trace, but I'm not the guy...
  18. Thread: Risks of TBI

    by V8Bait
    Replies
    19
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    6,208

    Yep. Emissions man, gotta burn off what's left. ...

    Yep. Emissions man, gotta burn off what's left. In stock configuration there's really no drawback anyway, it's PI or TBI or meth that complicates things.
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    Nice to see some testing! Had a feeling this...

    Nice to see some testing! Had a feeling this would be the case too, was talking to somebody about it just last week (in regards to running a 455 inline though). Lowering head losses usually helps...
  20. Thread: Risks of TBI

    by V8Bait
    Replies
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    6,208

    This ^^ Misfires that cause injection shutoff...

    This ^^

    Misfires that cause injection shutoff for the DI system don't apply to the PI system, allowing hyperlean conditions. That's worst case scenario. Don't mess around with misfires on PI,...
  21. You need your version of ATR, it's a huge PITA. ...

    You need your version of ATR, it's a huge PITA. I have a few .exe's but they won't help you at all :-(
  22. Sorry, been too busy to reply. I was mostly...

    Sorry, been too busy to reply. I was mostly involved with design and such, not logistics, pricing, marketing etc... But the coils are based on others that sell for around $60-$100/ea retail. ...
  23. Originally we were testing lower resistance coils...

    Originally we were testing lower resistance coils and they were drawing too much current too fast and with multispark it was current and thermal limiting the igbt. With the tuning changes that was...
  24. Awesome numbers! Careful with that torque on...

    Awesome numbers! Careful with that torque on that XI man and that stock block, I bet it's a blast though. DocRace makes good stuff and can't go wrong with someone named Justin :obscene-drinkingbu:
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    My advice to you is to first get comfortable with...

    My advice to you is to first get comfortable with the datalogs in MHD. You mention logging software that does load tracing, and MHD already does- load req and load act. If you are referring to...
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