Max MAF signal with alcohol?
Max MAF signal with alcohol?
I am trying to ballpark what my highest MAF reading will be when running alky.
Current setup:
Stock Turbo, stock inlet pipe, MAF ~ 1820 @ 7200 rpms and 21 psi.
Future setup:
HFS-5 alchy kit planning to run ~ 26 psi dropping to ?(I don't know how much I will be able to hold)
I would like to get a ball park idea of how much higher the MAF reading is going to be so that I can rescale my tuning tables now rather than keep rescaling as I slowly up the boost. Anyone have an idea or better yet comparable data?
Another question: Is there a way to control a +12 output like the auxilary solenoid but individually with each map rather than globally? I would like to turn on and off the alky kit by selecting a map on the UTEC.
Thanks
Current setup:
Stock Turbo, stock inlet pipe, MAF ~ 1820 @ 7200 rpms and 21 psi.
Future setup:
HFS-5 alchy kit planning to run ~ 26 psi dropping to ?(I don't know how much I will be able to hold)
I would like to get a ball park idea of how much higher the MAF reading is going to be so that I can rescale my tuning tables now rather than keep rescaling as I slowly up the boost. Anyone have an idea or better yet comparable data?
Another question: Is there a way to control a +12 output like the auxilary solenoid but individually with each map rather than globally? I would like to turn on and off the alky kit by selecting a map on the UTEC.
Thanks
Evolved Member
Joined: Sep 2003
Posts: 1,078
Likes: 61
From: Ulster County, NY
Sorry - there isn't much reason to look here anymore...
Using the UTEC logging, I have seen over 2100 on the MAF at 24+psi.
Here is a log of a 1-2-3 gear pull, uphill to force increased loading (I was checking knock).
Using the UTEC logging, I have seen over 2100 on the MAF at 24+psi.
Here is a log of a 1-2-3 gear pull, uphill to force increased loading (I was checking knock).
Code:
EXT Load Knock Mod Mod Mod
RPM MAP MAF TPS Site Count Ign#1 Inj#1 Ign Fuel Boost MAF
psia Hz % deg duty deg % (OL) Hz
1982 -8.8 96 11 00 00 +32.5 3.6 ECU. +0.0 ECU. 99
2036 -8.3 121 14 00 00 +33.4 4.4 ECU. +0.0 ECU. 128
2062 -7.6 136 15 00 00 +32.4 5.5 ECU. +0.0 ECU. 143
2136 -6.6 150 16 00 00 +33.5 5.5 ECU. +0.0 ECU. 152
2197 -5.9 154 16 00 00 +31.4 6.2 ECU. +0.0 ECU. 153
2295 -5.2 165 17 00 00 +31.3 5.7 ECU. +0.0 ECU. 185
2454 -4.5 254 27 00 00 +26.5 9.9 ECU. +0.0 ECU. 248
2525 -3.6 272 30 00 00 +21.9 10.0 ECU. +0.0 ECU. 257
2710 -2.6 282 30 00 00 +23.1 10.7 ECU. +0.0 ECU. 276
2853 -1.7 280 25 00 00 +27.3 9.9 ECU. +0.0 ECU. 343
3063 -0.7 423 72 10 00 +20.6 12.6 ECU. +0.0 75.00 577
3245 +0.0 464 100 10 00 +20.6 16.0 ECU. +0.0 75.00 500
3468 +0.9 608 100 10 00 +18.6 19.7 ECU. +0.0 75.00 410
3787 +2.6 692 100 20 00 +15.5 22.9 ECU. +0.0 75.00 896
4095 +4.2 819 100 20 00 +12.6 28.2 ECU. +0.0 75.00 788
4426 +6.1 1061 100 30 00 +10.8 33.5 ECU. +0.0 75.00 1101
4859 +8.9 1416 100 40 00 +8.9 47.5 ECU. +0.0 75.00 1250
5367 +12.5 1792 100 60 00 +7.1 60.7 ECU. +1.0 75.00 1893
5931 +16.7 2016 100 70 00 +9.1 68.3 ECU. +2.0 75.00 2049
6447 +20.5 2040 100 80 00 +11.4 69.6 ECU. +3.0 75.00 2000
6973 +23.1 2092 100 80 00 +14.7 67.0 ECU. +4.0 75.00 2192
7423 +24.3 2155 100 80 00 +16.0 68.6 ECU. +4.0 75.00 2252
7062 +22.6 162 10 00 00 +38.7 13.2 ECU. +0.0 ECU. 307
6510 +15.3 132 6 00 00 +38.6 12.4 ECU. +0.0 ECU. 448
6006 +6.6 128 16 00 00 +38.4 9.3 ECU. +0.0 ECU. 322
5688 -0.3 1043 96 10 00 +23.3 28.0 ECU. +0.0 75.00 1020
5717 -3.1 1187 100 10 00 +14.4 38.7 ECU. +0.0 75.00 1282
5611 +0.9 1533 100 30 00 +9.8 49.8 ECU. +0.0 75.00 1760
5717 +8.2 1923 100 50 00 +8.3 61.1 ECU. +0.0 75.00 1798
5973 +15.3 1992 100 70 00 +9.1 66.9 ECU. +2.0 75.00 2083
6242 +20.0 1976 100 80 00 +9.1 72.3 ECU. +3.0 75.00 2118
6472 +23.6 2032 100 80 00 +11.3 67.7 ECU. +3.0 75.00 2232
6734 +25.0 2032 100 80 00 +12.5 72.1 ECU. +3.1 75.00 2016
6958 +24.8 2100 100 80 00 +14.6 70.9 ECU. +4.0 75.00 2173
7168 +24.5 2109 100 80 00 +14.6 69.7 ECU. +4.0 75.00 2272
7407 +24.0 2109 100 80 00 +16.0 68.4 ECU. +4.0 75.00 2232
7062 +22.6 398 10 00 00 +37.6 10.8 ECU. +0.0 75.00 188
6747 +16.5 114 8 00 00 +38.7 8.9 ECU. +0.0 ECU. 87
6313 +7.8 653 25 00 00 +37.4 19.6 ECU. +0.0 ECU. 896
5611 +2.6 1123 100 10 00 +15.2 34.9 ECU. +0.0 75.00 1131
5727 +0.4 1533 100 30 00 +10.0 48.7 ECU. +0.0 75.00 1506
5757 +5.2 1851 100 50 00 +9.1 62.3 ECU. +0.0 75.00 1953
5837 +13.9 1930 100 70 00 +8.4 64.8 ECU. +2.0 75.00 1923
5931 +19.8 1901 100 80 00 +8.3 66.0 ECU. +2.8 75.00 1968
6082 +23.6 1937 100 90 00 +8.8 70.0 ECU. +3.2 75.00 1953
6184 +25.5 1984 100 90 00 +10.3 68.4 ECU. +3.8 75.00 2173
6313 +25.9 1976 100 90 00 +12.4 72.1 ECU. +4.0 75.00 1968
6459 +25.9 2016 100 90 00 +11.8 68.9 ECU. +4.0 75.00 2136
6587 +25.7 2008 100 80 00 +13.0 68.9 ECU. +3.0 75.00 2155
6734 +25.2 2032 100 80 00 +12.9 70.0 ECU. +3.0 75.00 1984
6830 +25.0 2074 100 80 00 +14.2 67.7 ECU. +3.4 75.00 2155
6973 +24.8 2049 100 80 00 +15.7 68.1 ECU. +3.8 75.00 2100
7032 +24.5 2049 100 80 02 +13.1 72.7 ECU. +4.0 75.00 2232
7153 +24.5 2083 100 80 00 +13.2 67.1 ECU. +4.0 75.00 2252
7278 +24.5 2100 100 80 00 +13.8 71.0 ECU. +4.0 75.00 2260
7473 +20.5 292 8 00 00 +38.8 10.6 ECU. +0.0 ECU. 385
7062 +12.7 136 5 00 00 +38.6 10.4 ECU. +0.0 ECU. 123
6958 +3.5 90 0 00 00 +38.7 10.1 ECU. +0.0 ECU. 159
6915 -5.7 70 0 00 00 +28.9 9.0 ECU. +0.0 ECU. 71
6802 -11.4 75 0 00 00 +28.8 9.0 ECU. +0.0 ECU. 45
6693 -12.8 78 0 00 00 +28.7 9.0 ECU. +0.0 ECU. 102
6587 -13.0 64 0 00 00 +28.7 9.0 ECU. +0.0 ECU. 59
6472 -13.2 73 0 00 00 +28.6 9.0 ECU. +0.0 ECU. 75
Last edited by mikesevo8; Aug 1, 2007 at 12:05 PM.
Evolved Member
Joined: Sep 2003
Posts: 1,078
Likes: 61
From: Ulster County, NY
Evolved Member
Joined: Sep 2003
Posts: 1,078
Likes: 61
From: Ulster County, NY
I agree that full boost is much much too late, even for an EvoGreen. The fact that you were going uphill is even worse -- that should make it spool faster relative to RPM (like being in a higher gear).
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