Originally Posted by
GHuggins
So if I'm understanding or translating this anywhere near correctly optimal injection timing is right around 6ish degrees for peak efficiency/cylinder pressure for idle or lower rpms, but to keep the emission's clean, reduce engine noise and subsequently better protect the motor then I need a lot more pilot injection in these areas and what I'm assuming cruise areas? I also need to be logging or calculating back pressure - which I'm not entirely sure is possible with the scanner on this motor? What kind of BP do I need to stay clear of?
This is the tune right now or rather at the moment - has the best trans tune so far, but does still require fine tuning of shift times at different tq's - very hard to do with hpt's scanner as it doesn't even show engine tq... This tune is getting the best 45 to 50 mph economy so far (35 to 36 mpg), but seems lower on power and haven't been able to test on highway yet - just put it in this morning...