I gave E85 a go to day and filled the C300 up from a near empty tank. The car feels more sluggish and doesn't feel as powerful as premium 93 octane gas. It feels similar to using mid grade fuel. Does anyone have similar experience with E85?
Vehicle: Super moded C55 twin turbo AMG & BMW E92 M3
Posts: 206
Nop, does not decrease performance but you're gas talk will probably get a tad less milage. In fact, properly tuned, you can increase performance since E85 is 85% Ethanol that has an octane rating of 104 (rather than 93 or whatever). This means you can generaly increase cylinder compression, through higher RPM, w/o premature detonation. And cleaner the gasoline!! Is the eay to go!!!
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