I want to run E85 in a d15z1 - Fuelly Forums
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Old 08-04-2008, 10:05 PM   #1
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I want to run E85 in a d15z1

I want to know if you can run E85 in a lean burn motor? What problems can I run into with the fuel system? Will it hurt the 5 wire o2? How much can i run?

With the old motor b18c1 turbo (4-5 PSI) I would run 4gal. of E85 and the rest 91 and had no problems with it. I have a lot of 4 wire o2's and injectors in case they wore out early.


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Old 08-05-2008, 06:58 AM   #2
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If you have any problems, I would guess it would be with plastic and rubber parts in the fuel supply system.

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Old 08-07-2008, 10:25 AM   #3
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More than anything you need to ask yourself if the oem injectors and fuel pump can handle the increased supply that your altered fuel map will need to call for. A lot of turbo honda guys are running e85 but pay a pretty penny for the way larger pump, injectors, and injector driver.

I think about how SuspendedHatch found a tuner that could share his vision of a FE car. You'll need to do the same. A lot of people say that the octane rating of E85 is equivalent to 100 octane so in theory you can run a slightly leaner burn too but a competent tuner will need to determine a safe a/f ratio, as well as advice on what size injectors and pump will suffice.
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