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Recreational Mechanic
Join Date: Sep 2000
Location: Northern Colorado, USA
Posts: 3,326
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Yes my understanding is that the pump mixes to get Mid-grade. The station does not have a mid-grade storage tank. Just a Premium tank and a Standard tank.
Both my daily drivers require premium. The Silverado V8 won't do the cylinder deactivation / V4 mode without premium, then gas mileage is worse.
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P Cars: 2022 Macan GTS / One empty garage space ---- Other cars: 2019 Golf R 6MT / 2021 F-250 Diesel / 2024 Toyota GR86 6MT ---- Gone: 1997 Spec Boxster Race Car, 2020 GT4, 2004 GT3, 2003 Carrera, 1982 911SC, 2005 Lotus Elise and lots of other non-Porsches
PCA National DE Instructor #202106053 / PCA Club Racing / WRL Endurance Racing
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