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Tahoe_Hybrid · 06-10-2019, 09:01 PM

Switching over from chevron 91 octane to Shell V-Power 91 octane

They claim to have a new formulation
we will see if it "helps or hurts MPG"

06-10-2019, 09:01 PM	#30 (permalink)
Tahoe_Hybrid Master EcoModder Join Date: May 2019 Location: California Posts: 371 Tahoe 2020 - '08 Chevy Tahoe H 90 day: 20.75 mpg (US) Thanks: 0 Thanked 82 Times in 76 Posts	Switching over from chevron 91 octane to Shell V-Power 91 octane They claim to have a new formulation we will see if it "helps or hurts MPG"