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Best gas for Hellcat

Unholy707

8000 Posts Club
9 Second Best E/T
HFCOTM
Member ID
#11903
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City
Orlando
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FL
Country
United States
Vehicle
2015 Dodge Challenger Hellcat
#41
Fwiw I played around with it a little one summer and my car ran identical times and mph at the drag strip with Shell 91 (90/10) versus 91 ethanol free which cost about .50 more per gallon. I live at a mile high so our octane ratings are lower.
What id be interesting in seeing is the fuel trims with both
 


Speedy!

Infomercial Producer
Staff Team
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U.S. Marine Veteran
9 Second Best E/T
HFCOTM & HFCOTY
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#1070
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City
Interwebs
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TN
Country
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Demon 170
#42
Fuel trims will shift. I tested it but it was a long time ago and I have forgotten by how much.
 




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