Somebody using E85 and water injection at the same time?

[blackS2]

because of the effect, that water separates fuel and Ethanol from E85 my question:

does somebody use E85 + Water injection System at the same time?

[jade]

because of the effect, that water separates fuel and Ethanol from E85 my question:

does somebody use E85 + Water injection System at the same time?

Cannot see why you would need water injection if running E85 ?

[blackS2]

Cannot see why you would need water injection if running E85 ?

sense was not the question

but by the way... Wy? MAT! E85 does not affect the MAT... water injection does!

[hammer]

Your car is running cold er with E85. Because Ethanol has a better cooling effect than pump fuel when it expand.

[a4kquattro]

I turn off MAT ignition retard on e85 cars. the fuel cools the combustion charge significantly due to the high latent heat of vaporization of alcohol fuels. this is not something recorded on the MAT sensor as it occurs in the chamber. water/meth isn't necessary with e85.

[blackS2]

I turn off MAT ignition retard on e85 cars. the fuel cools the combustion charge significantly due to the high latent heat of vaporization of alcohol fuels. this is not something recorded on the MAT sensor as it occurs in the chamber. water/meth isn't necessary with e85.

Thanks !

But I am still getting EGTs > 940°C with E85 at lambda 0.74 and 2bar of boost
RPM--MAP-EGO-MAT-IGN-EGT
5486 305.3 781 36.0 23.0 880
5512 309.3 781 36.0 23.0 881
5534 312.8 781 36.0 23.0 884
5562 310.3 779 36.0 23.5 885
5588 309.0 777 37.0 23.5 887
5607 313.0 774 37.0 23.5 889
5625 310.0 772 37.0 23.5 892
5645 311.0 772 37.0 23.5 893
5675 313.0 766 37.0 23.5 894
5692 310.5 762 37.0 23.5 897
5720 309.5 764 38.0 24.0 899
5749 312.5 766 38.0 24.0 902
5756 305.3 766 38.0 24.0 904
5785 309.3 764 38.0 24.0 905
5810 307.0 762 38.0 24.0 908
5820 304.5 762 39.0 24.0 909
5856 306.0 757 39.0 24.0 910
5871 304.8 753 39.0 24.0 913
5892 309.3 753 39.0 24.0 915
5914 300.8 762 40.0 24.0 915
5931 303.0 762 40.0 24.0 919
5952 295.3 760 40.0 24.0 919
5970 298.5 755 40.0 24.0 922
5996 292.0 749 40.0 24.5 922
6005 296.0 751 40.0 24.5 923
6034 288.0 753 41.0 24.5 925
6047 291.0 753 41.0 24.5 927
6073 286.5 747 41.0 24.5 928
6086 291.0 740 41.0 24.5 930
6107 285.0 745 41.0 24.5 932
6126 287.5 751 42.0 24.5 932
6146 280.8 751 42.0 24.5 934
6152 282.8 751 42.0 24.5 936
6184 279.8 738 42.0 25.0 936
6191 272.0 736 42.0 25.5 938

[a4kquattro]

Thanks !

But I am still getting EGTs > 940°C with E85 at lambda 0.74 and 2bar of boost
RPM--MAP-EGO-MAT-IGN-EGT
5486 305.3 781 36.0 23.0 880
5512 309.3 781 36.0 23.0 881
5534 312.8 781 36.0 23.0 884
5562 310.3 779 36.0 23.5 885
5588 309.0 777 37.0 23.5 887
5607 313.0 774 37.0 23.5 889
5625 310.0 772 37.0 23.5 892
5645 311.0 772 37.0 23.5 893
5675 313.0 766 37.0 23.5 894
5692 310.5 762 37.0 23.5 897
5720 309.5 764 38.0 24.0 899
5749 312.5 766 38.0 24.0 902
5756 305.3 766 38.0 24.0 904
5785 309.3 764 38.0 24.0 905
5810 307.0 762 38.0 24.0 908
5820 304.5 762 39.0 24.0 909
5856 306.0 757 39.0 24.0 910
5871 304.8 753 39.0 24.0 913
5892 309.3 753 39.0 24.0 915
5914 300.8 762 40.0 24.0 915
5931 303.0 762 40.0 24.0 919
5952 295.3 760 40.0 24.0 919
5970 298.5 755 40.0 24.0 922
5996 292.0 749 40.0 24.5 922
6005 296.0 751 40.0 24.5 923
6034 288.0 753 41.0 24.5 925
6047 291.0 753 41.0 24.5 927
6073 286.5 747 41.0 24.5 928
6086 291.0 740 41.0 24.5 930
6107 285.0 745 41.0 24.5 932
6126 287.5 751 42.0 24.5 932
6146 280.8 751 42.0 24.5 934
6152 282.8 751 42.0 24.5 936
6184 279.8 738 42.0 25.0 936
6191 272.0 736 42.0 25.5 938

perhaps your ignition timing is too high or two low. that would be my first thought. Just like any other fuel, EGT goes up when the engine is not at MBT. also, please measure pressure ratio, or at least exhaust pressure.

[prj]

Add timing.

[blackS2]

thanks mates...

...testing different timings was on my scedule and will be the next step when it stops raining outside someday

additional info CR is 8:1
exhaust is tubular
exhaust side is T4 0.96
downpipe is 89mm, exhaust is 76mm

[diesel des]

What turbo and what power

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[blackS2]

What turbo and what power

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I dont know the power because I'm not finished with my calibration

Turbo is GT35 with T4 turbine

[diesel des]

On e85 that combo must be over 600bhp? What cams are you using and when does it spool. 2.2l or stroker

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[blackS2]

On e85 that combo must be over 600bhp? What cams are you using and when does it spool. 2.2l or stroker

Sent from my GT-I9195 using Tapatalk

2,2
7A both
spool not tested yet