For those of you that own a similar Prius and want to try it yourself, keep in mind that you will have to increase the %ethanol as slowly as was done in the test (same for switching back) because the ECU adapts only very slowly. Perhaps future versions will have their ECUs reprogrammed to switch quickly like flex-fuel ECUs. ----- Original Message ----- From: [EMAIL PROTECTED] To: [email protected] Sent: Sunday, June 15, 2008 8:02 AM Subject: E85 and factory ECU - NMC
I've been reading everything I can get my hands on concerning E85, and particularly the conversion of non-flex fuel engines to E85. I stumbled across this academic study of a Prius where Ethanol was gradually introduced into the fuel system in ever increasing percentages. This was done on a dyno with considerable data logging. It was determined that, at least in the case of the Prius, E85 could be run with NO changes to anything - no larger injectors, no re-mapping of the ECU, no increased fuel pressure, nadda, zip, nothing. And, the most interesting part was that with full 85% Ethanol the car made 20% more HP and 33% more torque just by simply filling up at the yellow pump. www.greenenergynetwork.com/media/studies/prius-e85.PDF Now, my questions is this, is there anyone on this list with a dyno and a wideband who would be interested in attempting some E85 testing with a stock Miata? Jim in Tucson ------------------------------------------------------------------------------ Vote for your city's best dining and nightlife. City's Best 2008. ------------------------------------------------------------------------------ _______________________________________________ Miatapower mailing list [email protected] http://list.miatapower.net/cgi-bin/mailman/listinfo/miatapower
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