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E85 2016 Silverado Reg Cab 6spd 4x4 5.3 upgrade

SCR71822

By SCR71822
in Modifications & Accessories

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Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted
27 minutes ago, TXGREEK said:

 


I’m all about clean burn, will I be able to use super and e85 if I converted/switched?


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You can run it now even if you are not FF.  My 2002 isn't and I run it with no problems.  I don't get the performance benefit but I do get the clean burning as well as the higher octane.  I usually run a 50/50 mix in the winter since it does tend to start harder at temps below 38°F.    I have been running it now for 3 years with no issues.

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SCR71822
SCR71822

There are three reasons I want to be able to run e85, it can make more power, it is readily available in Illinois, and its cheaper than 87 but has over 100 octane.   I've been running e15 in

SCR71822
SCR71822

Well I have since added a recalibrated thermostat 180-190 that gives me a good temp drop but not too low so cold weather driving and the Air Raid modular intake pipe. I started changing parameter

Black02Silverado
Black02Silverado

Agree, but there is an advantage to running E85.  It burns super clean. So carbon buildup is not an issue. Another one is the higher octane, and one other thing, at least for me.  I like the smell of

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TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted

I’ve got a 100K extended warranty on my 6.2 and don’t want to deal with reprogramming the ECM. I may go put $10 worth tonight heehee


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TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted

Maybe this is a question for Karnut, he’s very familiar with E85.

 

Can you run 20-50% E85 in a 5.3 and 6.2 without retuning your ECM??

 

 

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Jacoby Enthusiast

Jacoby

Posted
Posted

The “Flex” in Flex Fuel means it’s flexible and able to burn regular fuel and ethanol

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Jacoby Enthusiast

Jacoby

Posted
Posted
5 minutes ago, TXGREEK said:

Maybe this is a question for Karnut, his very familiar with E85. Can you run 20-50% E85 without retuning your ECM??


Sent from above

Yes. The flex fuel sensor reads the alcohol content and automatically adjust the tune for it. 

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TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted
The “Flex” in Flex Fuel means it’s flexible and able to burn regular fuel and ethanol

I know that, can it be mixed in with super or regular without being flex fuel?


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TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted
Yes. The flex fuel sensor reads the alcohol content and automatically adjust the tune for it. 

Ok, I’m going to give it a shot in about an hour


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Black02Silverado Senior Enthusiast

Black02Silverado

Posted
Posted
Just now, TXGREEK said:


I know that, can it be mixed in with super or regular without being flex fuel?


Sent from above

Yes  I mix it all the time.  No issues.

Jacoby Enthusiast

Jacoby

Posted
Posted (edited)
1 minute ago, TXGREEK said:


I know that, can it be mixed in with super or regular without being flex fuel?


Sent from above

Yes. But there is no point. You either run gas or E85. No need to blend fuels. 

 

Only reason to blend is if your fuel system couldn’t handle a high percentage of E

Edited by Jacoby
TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted
Yes. But there is no point. You either run gas or E85. No need to blend fuels. 
 
Only reason to blend is if your fuel system couldn’t handle a high percentage of E


I’d like to just run e85 whenever but I don’t have a 6.2 flex fuel kit yet and the question was if I need a conversion kit for my 6.2 before I can run E85?


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Jacoby Enthusiast

Jacoby

Posted
Posted
3 minutes ago, TXGREEK said:


Ok, I’m going to give it a shot in about an hour


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Wait my reply to you was if you had a flex fuel capable vehicle. If you don’t then running E85 is a complete waste of money and will hurt the performance of your truck

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Jacoby Enthusiast

Jacoby

Posted
Posted
1 minute ago, TXGREEK said:

 


I’d like to just run e85 whenever but I don’t have a 6.2 flex fuel kit yet and the question was if I need a conversion kit for my 6.2 before I can run E85?


Sent from above

 

Yes you need one. It’s absolutely pointless to run it if the ecm won’t adjust. There is no benefit at all. It will actually hurt your performance. 

TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted
Wait my reply to you was if you had a flex fuel capable vehicle. If you don’t then running E85 is a complete waste of money and will hurt the performance of your truck

 

That’s what I wanted to know. Black02silverado says he uses it in his older 6.2 all the time with zero issues hmmmm

 

 

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KARNUT Senior Enthusiast

KARNUT

Posted
Posted

I ran E-85 in my 14 because it came capable and using it would give additional HP. It seemed to like it and I could get it cheaper that reg sometimes definitely cheaper than premium. I would usually tune my truck for premium and get the boost in performance that way. I did tune the transmission and turned off the cylinder deactivation. I did raise the shift points and RPMs and set the transmission at 50 percent TM. Every thing I’ve read says don’t put E-85 in a non flex fuel vehicle.


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TXGREEK Senior Enthusiast

TXGREEK

Posted
Posted
I ran E-85 in my 14 because it came capable and using it would give additional HP. It seemed to like it and I could get it cheaper that reg sometimes definitely cheaper than premium. I would usually tune my truck for premium and get the boost in performance that way. I did tune the transmission and turned off the cylinder deactivation. I did raise the shift points and RPMs and set the transmission at 50 percent TM. Every thing I’ve read says don’t put E-85 in a non flex fuel vehicle.


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Appreciate it! Looks like I’m staying for Chinese tonight.


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