Originally Posted by
Thatdudeorion
As far as the economy stuff goes, right now I mainly look at Inj PW, TPS, and MAP on the dash view, doesn't really tell me anything absolute, but it gives me some cues on whether I should dip out of the throttle a bit, or downshift, or etc. One of the things that's tricky about using InjPW is that it varies in the sense that lets say at 2000 RPM in 5th gear, it's 5.00 then I upshift to 6th and InjPW increases to 6.00 (increase of 20%), which seems bad, in the context of economy, however, it's tied to engine RPM, which drops by ~500 or 25%, so I'm theoretically getting better MPG in those conditions, but it's sort of tough to do that kind of figuring in my head while driving. So something that would help me figure out when best to shift or whether I'm better off lugging it in 6th or downshift to 5th, etc. would be a huge help to me, if I could just quickly change gears back and forth and see what my economy is would be really interesting.
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