It’s common knowledge that E85 makes great power when the vehicle is properly tuned for it. If you are running an E85 tune or a tune set for a mixture of E85 and premium fuel such as E30 or E50, then you really need to know what your mixture is. The big question comes up, is your E85 fuel truly 85% ethanol? In this video, we show you how to test the E85 fuel to uncover the true ethanol content ratio. In this detailed guide, Mike from MPT walks you through the simple process of testing E85 fuel t