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Re: E85
Quote:
Originally Posted by JMurray
i'm not very educated on E85, but i thought a motor running on e85 got less mpg than even 87oct if e85 is 110oct how is that possible educate me please, wouldn't everyone build a motor to run on e85 if it made more hp?
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You are correct, E85 will get worse fuel economy than gasoline. This is because even though it's octane rating is much higher (over 100) than gasoline, E85's energy content is much lower than gasoline. One gallon of gasoline contains about 125,000 BTU where that same gallon of E85 only contains ~80,000 BTU. This means it takes about 1.5 gallons of E85 to take you the same distance as 1 gallon of gasoline.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread
'98 Camaro z28: 370ci twin turbo 370ci build
'01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD
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