I have a little doubt about stock duration map in JTD 8V 115HP engine with EDC15C7. For 70mm3 of fuel and railP of 1400 bar there is greater duration than for 1350bar. This value for 1400bar and 70mm3 make no sense to me.
Look at duration table, red rounded values:
It looks even stranger if looking in 3D mode, where we can see that for 1350 and 1600 bar lines are almost linear. For values 1200, 1300 and 1400 there is almost linear values up to 65mm3, and after that goes much higher. For railP 1000bar and under, this jump appears even earlier, at 60mm3:
Does anyone knows reason for this? Is this value for 1400 bar and 70mm3 correct and how can for 1350bar and 70mm3 be lower value??
What formula to use when calculating duration for 1400 bar and let say 80 and 90 mm3?
This is driving me crazy...
schokomanu wrote:I know what you mean. You asked the same question at alfaowner. I read several things which may explain this phenomenon. My problem is: i know what I've read, I understood what the authors said, but I can't explain it in my own words at least not in english. In german it is easier.
Deman wrote:Last three columns are the same and are linear - a feature limit the flow of fuel with the possibility of extension. That is the number of columns laid developers ECU unit; and programmers with limited Fiat injections nozzles 70. And for us it is an opportunity for expansion.
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