Quote:
Originally Posted by Drweldin
1) Mainscale is relative to what? Is it a correction factor like an AFC? -35% for example, with 550cc injectors? So should the lo / mid / hi values (not the MAF values, but the values with there own pages) be the same as the mainscale? Or are those used to fine tune the mainscale? 
2) This implies they are working at the same time....again, I have no reference in my mind for "grams/sec".....is there a link I can study from?
EDIT: do you know the MAF lo/mid/hi values, I may have inadvertantly moved them a little....
Also, I am using 3 1/2" (metal) LS1 MAF, 560cc EVO injectors.... |
1: yes. -35% is a good starting point for 560's. Set that and see what the trims do at cruise. You want the trims to settle to 80 (removing fuel) and the O2 trim to hang around 80. This may sound "rich", but I have found the best driveability with this method.
In the settings page, there are high, mid, and low "load points", set the low to whatever your load calculates to at idle (look at the sensor monitor page), this will be 25-35 if I remember correctly. This lines up the low load page so it tunes your idle. Set mid to about 100 (this is "zero psi" or close), set high to 140-ish, this is 6-7 psi and sets the high page to adjust from this load and higher.
The Pro takes the mainscale, adds it to the user tune (interpolated between pages), and any other tune adjustments, adds them together (this is the UserTune shown on the sensor monitor page), and adjusts your airflow by this amount.
2: Watch the "airflow" reading on the sensor page to get a feel for it. Idle is 4-8, cruise is 10-30, and accelleration goes up from there. It is almost proportional to Hp.
Are you running draw-thru or blow-thru?
Bob