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I've only filled up and calibrated my SGII once in the Prius I just purchased so it still has some tinkering to be done in regards of the percent but I'm running 8.8% right now and the SGII was about 1 mpg off of actual fill numbers on my first fill up.
I use RPM TPS
MPG FWT
I like monitoring RPM to help me maximize FE up larger hills. Uphill, I will sometimes see RPM over 2000 and gently let my foot off the gas to drop RPM's before reapplying foot to pedal (which usually results in RPM settling in around 1800)
I also just started using TPS to monitor throttle position. It reads 13 when my foot is off the pedal so when I get the Prius into "dead band" I have found that any throttle over 13 knocks it out of dead band (over 40 mph also knocks it out of dead band). With 13 being my baseline TPS there is a little give in the pedal before TPS goes higher so I can still accelerate with a little throttle in dead band.
MPG I use just as a guide vs. using the mpg bar on the Prius stock in-car display...just kind of a reminder to lighten up on the pedal if I see MPG dipping.
FWT I also just started using as I installed a grill block. With upper blocked and one row of lower blocked I run around 180-190. With temps on the rise I just want to keep an eye on temp.
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