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Old 06-24-2019, 07:38 AM   #5
linux3
Senior Member
 
Join Date: Jul 2016
Location: Western NY
Posts: 586
Last week while in TN I bought 87 octane 100% gas. $2.44.9 a gal BTW.
I usually get around 11 ~ 11.5 MPG with the 10% corn stuff. I was getting 13.5 MPG. I was amazed!
Twice I filled up with the good stuff and results were consistent.

I THINK the truck felt peppier but that could have just been my joy at the MPG
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Rob
Bereft of TT and looking.
2020 Chevy Silverado 1500 LTZ Z71 6.2L
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