2011 Camaro, my first E38 tune and I am already confused. Delta? is there a spreadsheet or a formula? I searched but I have not found a wealth of information on this, I am trying to tune 80 lb siemens, any direction would be helpful.
Thanks
E38 Injector tuning help
2011 Camaro, my first E38 tune and I am already confused. Delta? is there a spreadsheet or a formula? I searched but I have not found a wealth of information on this, I am trying to tune 80 lb siemens, any direction would be helpful.
Thanks
Last edited by zapp168; June 4th, 2014 at 03:36 AM.
98 WS6, M6, 02 PCM, CO3, SD 2 Bar tune, 416 D1SC Procharger, 73# Injectors, Patriot Lq9 heads, 232 int 240 exh. Lift .595 int .608 exh 115.. header, Intake, AEM WB.
You mean DeltaMAP...?
DeltaMAP is simply the pressure difference between top of injector and bottom of injector (i.e. rail absolute pressure minus manifold absolute pressure).
If your rail pressure is 58 psi (400 kPa) (gauge), then:
rail absolute pressure = 500 kPa (absolute)...
manifold absolute pressure = 100 kPa (absolute) at WOT, 35 kPa (absolute) at idle...
so then deltaMAP ranges from 400 kPa (WOT) to 465 kPa (idle).
Edit: corrected math.
Last edited by joecar; June 4th, 2014 at 01:15 PM.
Thanks Joecar, helpful as always...... I was able to get them installed..... Now getting my head around VVE tuning.....lol Geezzz
98 WS6, M6, 02 PCM, CO3, SD 2 Bar tune, 416 D1SC Procharger, 73# Injectors, Patriot Lq9 heads, 232 int 240 exh. Lift .595 int .608 exh 115.. header, Intake, AEM WB.
Have fun with that mate
"Just a tune > yeah right !!!! "
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