e85
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Adding Flex Fuel to non factory flex fuel Denali
First post so don't kill me. Picked up a 2008 Yukon Denali with the 6.2. I would like to change it over to flex fuel, I have done some research here and in FB groups. Doesn't seem too many people have done it, and those that have don't post TOO much technical info. I would like it to be a...- WindyCityDenali
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- e85 flexfuel
- Replies: 6
- Forum: Performance
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91 octane vs e85 in flex fuel Tahoe/suburban?
Which of these is better? I wanna save money of course but if 91 octane overall will increase longevity of the vehicle than by all means Idk if it matters but the winters are harsh and the summers are hot here.- iboughtatahoe23
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- e85 flex fuel fuel gas
- Replies: 31
- Forum: Engine & Drivetrain
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Virtual or Reality?
Was recently asked to do a comparison between what the engine computer shows as the alcohol content and by taking an actual sample of the onboard fuel from the fuel rail. Both vehicles have been driven less than 30 miles since refueling. The 2012 6.2 Sierra showed a virtual alcohol content of...- swathdiver
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- alcohol content e85 flex fuel virtual content sensor
- Replies: 3
- Forum: Engine & Drivetrain
