Most liked posts in thread: BIGGER is BETTER!!! A FAQ on the Bosch 550cc injectors for R53

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  1. jason@MynesTuned

    jason@MynesTuned New Member

    Jan 10, 2010
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    #239 jason@MynesTuned, Apr 19, 2011
    Can't wait to congratulate you in person at the Dragon :Thumbsup:
     
  2. Longboard

    Longboard New Member

    May 7, 2009
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    #240 Longboard, Apr 19, 2011
    Oh no you better not go to the Dragon minimark :incazzato::lol:

    LB
     
  3. ColinGreene

    ColinGreene Well-Known Member
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    May 15, 2009
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    #241 ColinGreene, Apr 20, 2011
    The software has nothing to do with it, Since when will the mini just spit out a data-log like that? Must be well Revolutionary?
    Anyway what I'm getting at is 112 or even 130 percent is a impossible duty cycle number. Its simply not possible to spray more than the injector is capable of flowing at 100% the injector is effectively locked open. Thus with the injector unable to provide more flow than designed for the engine will go into a lean mode. I think what your trying to explain is if the injector is maxed out its dangerous for the engine.
    Earlier you explained that a mini with a stock blower and a pulley was dangerously close to the limits.
    I am having a hard time understanding how you can be selling the sprintex stage one on a stock tune with stock injectors because of this thread but thats another problem entirely.
    I really did not need the do some research comment, I probably know more about this than you seem to assume.
     
  4. mike@MynesTuned

    mike@MynesTuned New Member

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    #242 mike@MynesTuned, Apr 20, 2011
    Scangauge can retrieve data from OBD II port at one to two samples per second, right? So obviously the stock ecu is sending out data, right? We added our own code via FullAccess to enable this data stream to be spit out at a much faster rate - typically at 8 to 15 samples per second:Thumbsup: Yes, it is Revolutionary!!! b/c no other tuner in the world can do this but Bytetronik :Thumbsup:

    The stock MINI ECU is very powerful... much of it is hidden from view... the data is there, you just have to find a way to extract the info...:ihih:

    Go and read Nathan's explanation a few more time... if you can't understand it, then you should read it and maybe have someone else explain it to you. The answer is plain as ice:beer

    Anybody with some decent analytic skill can see that the Sprintex is a more efficient blower, thus it's generating less heat than the M45 at the same boost level (see data log in the Sprintex Stage I post). So with the colder IAT on the Sprintex, it's afr stays 11's across the range...

    Obviously NOT... :popcorn:
     
  5. minimark

    minimark Well-Known Member

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    #243 minimark, Apr 20, 2011
    Thanks, that would he very professional of you!!!
     
  6. Mr. Jim

    Mr. Jim Mudshark
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    #245 Mr. Jim, Apr 20, 2011
    Thank you :Thumbsup: Remember why we all left NAM?
     
  7. cct1

    cct1 Well-Known Member
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    #246 cct1, Apr 20, 2011
    Colin, you're right in that the injector can't spray more than 100% of it's capacity, but that's not what the duty cycle is. If the injectors are wide open, at 100% of their capacity, and the car's RPMs are pushed higher once this limit is reached, you are going to be above 100% duty cycle (and quite possibly/probably running lean). The injectors spraying at 100% (or effectively locked open, as you said, spraying as much as they physically can) is not the same thing as 100% duty cycle, they're two totally different things. It's a question of semantics...
     
  8. jason@MynesTuned

    jason@MynesTuned New Member

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    #248 jason@MynesTuned, Apr 20, 2011

    I guess it would be easier to visualize to some people. Some get it and some don't. Let me help for people who are willing to understand. And thanks Nathan on the above post. I don't understand the bickering either.

    [​IMG]
     
  9. Firebro17

    Firebro17 Dazed, but not Confused
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    #250 Firebro17, May 31, 2011
    :postcount

    Ha...just kidding...25 pages of tainted banter amongst adults. What a Country. Some folks just need ta be more resilient I guess as it seems there's a whole lota ruffed up feathers here. Having read 249 entries about which fuel injector to choose, I'm very certain I'm now able to choose an injector size, a vendor and a tuner... Understand the meaning here.

    I need serious beer.:beer
     
  10. jiminni

    jiminni Well-Known Member

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    #251 jiminni, May 31, 2011
    Really?....im more confused now than ever :lol: But hopefully in a few months we will have a local expert on the subject :ihih:
     
  11. Putttn

    Putttn New Member

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    #252 Putttn, Aug 2, 2019
    I know this was a very LONG thread but quite a few years have passed and a lot more experience/solutions have maybe come to pass. What new information is available?
     
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