E85 NA...Anyone running this?

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Jun 29, 2011 | 10:33 PM

#21

RSTinOKC

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Joined: Feb 2008

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From: Oklahoma City

Quote:

Originally Posted by cfaluck13

Im curious if i could run e85 on my 4.8 with about 10 lbs of boost with 60's?

Anybody doin this?

Im not sure if i have enough injector fit it

Also remember that more injector will need more pump.

Jun 29, 2011 | 11:46 PM

#22

03LQ9

Staging Lane

Joined: Aug 2010

Posts: 70

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Quote:

Originally Posted by YenkoST

So, if idle and cruise is 10.7:1 A/F ratio...WOT is roughly 9.1:1?

Also, how's your mpg....down with more fuel being put into the engine but how bad?

Yeah, e85 works pretty good, I've been running it for years with no issues and more power then premium. MPG is lower no doubt but its not too bad. In my 98 reg cab 1500 4wd 350 I get around 13.5-14. With my 03 reg cab 6.0l 2wd 3.42 gears and lean cruise activated I just got 19.2 on a 550 mile trip. Usually on the hwy it gets around 16.5 and if I drive it hard it drops to 13. still cheaper then running premium with cost vs mpg.

Jun 30, 2011 | 12:20 AM

#23

Wheatley

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From: Sealy/Katy TX

Stoich for E85 is 9.87:1 AFR 1.00 Lambda

Ethanol content can vary from load to load sometimes.In the spring ethanol content will start to decrease (depending on your area) from summer.
As winter comes in,you will see more E70 again (depending on your area)
If your truck is not a FFV,an E85 test tube is a good thing to have so you know where to set Stoich.I like mine,it's very useful since my truck is not a FFV.
If your truck is a FFV,then it detects ethanol content.