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Should I run e85

Old 10-06-2016, 02:54 AM
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Default Should I run e85

2006 Silverado 5.3 (L59)

All the signs are there that my truck is cable of running e85. But for some reason I keep having second thoughts of feeling up e85 when I'm at the pump. Can somebody ease my Conscience. I guess I'm just worried about if the fuel system transitions smoothly between 87 and e85
Old 10-06-2016, 07:07 AM
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The L59 is flex fuel capable. The transition should be seamless.
Old 10-06-2016, 06:42 PM
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Yeah, tehy got it figured out pretty good. Give er a try. Your 8mpg awaits you. lol
Old 10-09-2016, 01:23 PM
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Can you? Yes, you can.

Should you? Doubtful. E85 does have some advantages. But you'll use about 20-25% more of it. In Colorado gas is $2.07, and E-85 is $2.00. It would cost a lot more to run e-85. But, if it's hot and muggy and you're hauling a heavy load, the e-85 will run cooler and help prevent detonation.

Your call, though.
Old 10-09-2016, 01:45 PM
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Originally Posted by .boB
Can you? Yes, you can.

Should you? Doubtful. E85 does have some advantages. But you'll use about 20-25% more of it. In Colorado gas is $2.07, and E-85 is $2.00. It would cost a lot more to run e-85. But, if it's hot and muggy and you're hauling a heavy load, the e-85 will run cooler and help prevent detonation.

Your call, though.
Down here in corn country (Nebraska) e85 is 1.69 at the station a mile away a town over it is 1.49 but it tested out to e78 while the closer one was e90. Normal gas prices are 2.09. I will be running e85 full time when I get my vette back but I will be at 14:1 cr. At a performance view I picked up 22rwhp in my Z06 so I was very happy uping the cr will net me even more gains.


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