93 vs e85 - Mustang Evolution

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Old 02-21-2016, 10:12 AM   #1
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93 vs e85

Current mods 5C converter longtube headers 93 pump gas. Next mods cobra jet intake monoblade TB, driveshaft and k member. I want a 10sec N/a car and it's very few running 93. Is e85 a good switch for N/A ?


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Old 02-21-2016, 12:19 PM   #2
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Yes it will help switching to E85. The downside though will depend on which brand of headers you have since E85 tends to kill o2 sensors rather quickly.
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Old 02-21-2016, 12:22 PM   #3
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Which headers are on the car? Also you'll need a minimum of 47lbs injectors on the car to run E85


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Old 02-21-2016, 08:02 PM   #4
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I just switched to E85 today and the car pulls much harder and upon initial test run feels really good, You will be able to feel it in the butt dyno..
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Old 02-21-2016, 09:58 PM   #5
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Sorry for the delay but I have jba headers


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Old 02-22-2016, 08:30 AM   #6
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Will I be ok?


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Old 02-22-2016, 09:01 AM   #7
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No the o2 sensors would need to be moved.
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Old 02-22-2016, 09:06 AM   #8
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Whats the mpg change from 93 to e85? Like if someone who did go e85 could say how many miles they got before compared to now

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Old 02-22-2016, 09:16 AM   #9
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Quote:
Originally Posted by Grabber Blue5.0 View Post
No the o2 sensors would need to be moved.

Where would they need moving too


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Old 02-22-2016, 09:37 AM   #10
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Quote:
Originally Posted by MarkCoyote View Post
Where would they need moving too


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Old 02-23-2016, 10:49 AM   #11
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I dont think it is necessary to remove the O2 sensors but only locate them at an upwards angle. My theory is that Ethanol absorbs most moisture or water better than gasoline, just like any other alcohol (MTBE, ETBE).

what i would really like to know is if it is necessary to install bigger injectors when your major upgrades is just long tube headers? i dont see the bright light here.

---------- Post added at 10:49 AM ---------- Previous post was at 10:48 AM ----------

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^^^this guy is got the right idea.
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Old 02-23-2016, 01:45 PM   #12
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E85 Mileage

Expect a 20 - 25% decrease in fuel economy as the heat of combustion is less than gasoline, so you need more of it to produce the same amount of power. Also why you need bigger injectors. Octane rating will be higher, so you will need a tune and not all tuners are capable of working with E85.
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Old 02-23-2016, 06:44 PM   #13
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Im not sure but what I have read, if you have a modded car you need injectors, longtubes are one of the biggest mods you can do to the coyote engine, so yes you need the injectors, I didnt buy a mustang for fuel mileage, and if you can gain 20 or more hp then yes its worth it, like I said earlier switching to e85 is a seat of the pants noticeable gain in hp, way better than a cold air kit or throttle body, but if you dont have access to it nearby then you shouldnt switch
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