Octane Adjust Ratio and msd map

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Viewing 6 posts - 46 through 51 (of 51 total)
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  • #171750

    JohnD
    Participant

    UK - England

    Posts: 292

    Before you datalog, switch units to metric.

    JohnD

    #171754
    Tyrefitter
    Tyrefitter
    Participant

    UK - England

    Posts: 408

    @JohnD enlighten me.



    Andy.

     

    Red Edition.

    #171770

    JohnD
    Participant

    UK - England

    Posts: 292

    The list of parameters that Stewart recommends to be datalogged are shown in metric units  eg boost in kPa, AFR as Lambda, charge temp in degC  etc

    The list contains 32 parameters!  Most of which I understand and a few I don’t!   It should be on the Email you received containing the map.   It’s also on the MSD website under Cobb tuning?

     

    JohnD

     

    #171776
    Tyrefitter
    Tyrefitter
    Participant

    UK - England

    Posts: 408

    @JohnD Thanks,i bought the handset secondhand but stuart did send me a email with the peramiters i need to check.



    Andy.

     

    Red Edition.

    #173167

    JohnD
    Participant

    UK - England

    Posts: 292

    Just an update on the datalogging on my MSD420

    Having flashed the revised map after the first datalog  I’ve found a definite improvement in mid range response with the boost coming in earlier and it’s livelier off boost.  Along with this, my average fuel consumption over similar driving to before, has gone from 26/27mpg to 30!

    I’ve done the second datalog run and flashed the (very) slightly adjusted map and have to say that although I was not originally convinced of tangible improvements over the Mountune M400R, after the revisions following datalogging, I’ve now stuck the MSD420 badges on the car!

    So, for all those with any of the MSD maps installed via the Cobb Accessport and with the option of two datalogs available (E-tune) do it! 

    #173184
    richard31337
    richard31337
    Participant

    UK - England

    Posts: 94

    @JohnD

    All agreed from me 🙂 definite improvement over m400r, and I’m also on my first revised map from Stu. MSD all the way.

     

    Thanks

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