Discussion in 'General Chevy & GM Tech Questions' started by Joel.B, Aug 26, 2011.
What does the word FLEX mean in the following: 5.3L V8 323 CID FLEX?
It means that it is a "flex fuel" vehicle.
You can run E-85 fuel.
Thank you, that is what I thought it ment. Can you mix E85 and unleaded fuels?
Yes, you just can't put e85 in a non flex vehicle.
Thanks for the help. You guys are great.
better check around to see who sells e85
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