rabenne
15+ Year Contributor
- 1,803
- 836
- Apr 21, 2006
-
Racine,
Wisconsin
Hello all, noob question for you. First time playing with SD.
I have been reading the wiki on how to get some base VE values from the maf sensor before setting the base maf type to SD. I cant seem to figure out if I need to have the GM IAT wired in while trying to do this.
The wiki says "...you must have the intake air temp sensor installed and connected to the intake air temp input of the ECU..."
But then in the notes section, it talks about not being able to use the IAT signal as a GM IAT (post turbo).That makes sense, because the maf is seeing fresh air and the GM iat is seeing compressed air and the temp will be very different.
The notes also describe zero-ing out the sliders in the SDTempWeighting table so that the SDRatio calculations arent using bad data.
so help me out:
1) does that mean the GM IAT should be installed and the maf should be hooked up (minus the two IAT wires) and then zero out the table, collect data, and run the tool?
OR
2) does that mean I run the maf hooked up (all wires including stock IAT) and then zero out the table, collect data, and run the tool?
I am sorry if this is obvious. I believe it is probably option 1 - purely on my own (likely flawed) logic, but when I tried this, my VE suggestions were mostly in the 120-130 ranges...
Thanks for your help!!
I have been reading the wiki on how to get some base VE values from the maf sensor before setting the base maf type to SD. I cant seem to figure out if I need to have the GM IAT wired in while trying to do this.
The wiki says "...you must have the intake air temp sensor installed and connected to the intake air temp input of the ECU..."
But then in the notes section, it talks about not being able to use the IAT signal as a GM IAT (post turbo).That makes sense, because the maf is seeing fresh air and the GM iat is seeing compressed air and the temp will be very different.
The notes also describe zero-ing out the sliders in the SDTempWeighting table so that the SDRatio calculations arent using bad data.
so help me out:
1) does that mean the GM IAT should be installed and the maf should be hooked up (minus the two IAT wires) and then zero out the table, collect data, and run the tool?
OR
2) does that mean I run the maf hooked up (all wires including stock IAT) and then zero out the table, collect data, and run the tool?
I am sorry if this is obvious. I believe it is probably option 1 - purely on my own (likely flawed) logic, but when I tried this, my VE suggestions were mostly in the 120-130 ranges...
Thanks for your help!!