So I've just read this whole thread but haven't seen any discussion on how much improvement you've realized. (I like your work BTW!) Your signature has a 50 mpUSg number and you've mentioned 62 mpg (I assume that's imperial i.e. ~51 mpUSg.) Do you have any test data on how much each mod has helped? You also mentioned coastdowns: any info from them?
I don't know what typical mileage the Gen I stock Prii got (our Gen II gets 52-58 mpUSg depending on the season.)
TIA
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