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| They are not flex fuel vehicles . All Chevy 5.7,3800, 3.6 . Have one 3800 that gets best mileage with E20. Anything over E50 and the check engine light comes on (oxygen sensor) put some more regular in and light goes off. Anytime we get a different vehicle we try different blends and E30 usually wins. Never had engine problems and run my vehicles well over 100,000 miles. All the Cenex stations have blender pumps. A lot of farmers use the blender pumps. A lot of city people don't use blends even if they have the yellow gas cap. I have convinced many people to try blends. | |
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Ethanol update.
