FutureOdin
Well-Known Member
- Joined
- Sep 29, 2020
- Threads
- 30
- Messages
- 491
- Reaction score
- 306
- Location
- Massachusetts
- Vehicle(s)
- 2021 JLU Sahara
Did they post fuel economy numbers for their tune somewhere? I might have missed that."The fuel economy data is generated in the same manner as Stellantis did it when certifying with EPA. The following tests have to be run and then there is some averaging, contribution ratios, etc. in the EPA formula to arrive at the final fuel economy label. The tests GDE does are: FTP75, HWFEC, US06 and SC03. The ftp is more city cycle, highway fuel economy is around 40-60 mph, US06 is high speed and aggressive accelerations, SC03 is city driving with AC on, lab at 95 F with a large solar load. The factory results are available online through EPA. GDE outsources the testing to a cert lab in metro Detroit. It can be directly compared to factory." - Keith
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