Jump to content

Converted to E85

bobbobtar

By bobbobtar
in Modifications & Accessories

 Share

Recommended Posts

bobbobtar Enthusiast

bobbobtar

Posted
Posted (edited)

Just converted my 2016 Chevy Silverado LTZ 5.3L Double Cab to run E85 same as my 2014 GMC Sierra 5.3L. The Chevy did not come from the factory as a flex fuel, but the GMC did, these are the GM parts I used to do the conversion these parts are for a double cab only.

 

20967866 Flex fuel sensor clip

13577429 Flex fuel sensor

23171538 Hose

20967834 Hose

23158923 Pipe

23171537 Pipe

 

If you were to do a Club Cab the two hose's would be different everything else is the same. Did not do a flash as the computer recognized the sensor.

Edited by bobbobtar
  • Like 4
  • Replies 84
  • Created
  • Last Reply

Top Posters In This Topic

Popular Days

Top Posters In This Topic

Popular Days

Popular Posts

bobbobtar
bobbobtar

Just converted my 2016 Chevy Silverado LTZ 5.3L Double Cab to run E85 same as my 2014 GMC Sierra 5.3L. The Chevy did not come from the factory as a flex fuel, but the GMC did, these are the GM parts I

bobbobtar
bobbobtar

Seat of the pants, I could tell it was different, felt like it had better acceleration.

transam69230
transam69230

I would completely advise against running e85 in your truck until you get the ECU tuned.

Posted Images

bobbobtar Enthusiast

bobbobtar

Posted
  • Author
Posted (edited)

I'm gonna have to try this. What did the sensor "plug into" to allow the ecm to recognize the sensor?

The harness plug cover has a little plastic stud that holds to the frame (when it's not used) it just below where the sensor plugs into the frame. After you do the install plug the harness connector into the sensor which will tell the computer what the octane number is and make the adjustments.

Edited by bobbobtar
  • Like 1
bobbobtar Enthusiast

bobbobtar

Posted
  • Author
Posted

Forget all that. How does she feel power wise!?

Seat of the pants, I could tell it was different, felt like it had better acceleration.

  • Like 2
Ridersfan Enthusiast

Ridersfan

Posted
Posted

Just converted my 2016 Chevy Silverado LTZ 5.3L Double Cab to run E85 same as my 2014 GMC Sierra 5.3L. The Chevy did not come from the factory as a flex fuel, but the GMC did, these are the GM parts I used to do the conversion these parts are for a double cab only.

 

20967866 Flex fuel sensor clip

13577429 Flex fuel sensor

23171538 Hose

20967834 Hose

23158923 Pipe

23171537 Pipe

 

If you were to do a Club Cab the two hose's would be different everything else is the same. Did not do a flash as the computer recognized the sensor.

You should change your gas cap to reflect it as well. Not that are many full service gas stations left anymore... or people that have common sense... but IF you find both, they may refuse to pump E85 into an unleaded capped tank.

bobbobtar Enthusiast

bobbobtar

Posted
  • Author
Posted

Yes forgot to mention that I did change the gas cap.

  • Like 1
bobbobtar Enthusiast

bobbobtar

Posted
  • Author
Posted

I didn't have time to do the install myself so local shop did the install. From looking at parts, it's all plug and play. The Pipe is short 8" piece of flexible hose that has OEM fitting on it that connects the front and back fuel line to the sensor.

transam69230 Enthusiast

transam69230

Posted
Posted (edited)

Do you not need a tune to turn on the e85 capability? I feel like just adding the sensor would not do anything since you aren't telling the computer to adjust timing/spark for additional octane .

 

http://www.gm-trucks.com/forums/topic/180793-flex-fuel-conversion-everything-you-need-to-know/?do=findComment&comment=1728414

 

It is laid out in the thread above. Carl T is the local GM tuner in MN that I personal use from my race car, and explains that the you need to enable the sensor in the ECU.

Edited by transam69230
  • Like 1
bobbobtar Enthusiast

bobbobtar

Posted
  • Author
Posted (edited)

I would completely advise against running e85 in your truck until you get the ECU tuned.

Would you completely advise against running E85 in a 2016 flex fuel truck? According to my tech. there is no provision on the 2016 trucks to flash or turn on E85 he spent half an hour looking for that option in the ECM and BCM maybe that was an option for 2014-2015 trucks doesn't look like it is now, what Carl was talking about was a 2015 truck.

Edited by bobbobtar
  • Like 1
transam69230 Enthusiast

transam69230

Posted
Posted

So if the truck is a "flex fuel truck" then why didn't it have the sensor already? That indicates that it is not setup for flex fuel in my opinion.

 

If your tech is a GM service technician I would take that with a grain of salt and do your own homework on it.

 

You could certainly be right, but it I'd verify that with a tuner that uses an aftermarket tool such as HP tuners.

  • Like 2

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.3k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,732
    Total Members
    8,960
    Most Online
    user087
    Newest Member
    user087
    Joined

  • Who's Online   2 Members, 0 Anonymous, 700 Guests (See full list)

  • Latest Articles

  • Posts

    • Grumpy Bear
      OCI, not when but why?

      By Grumpy Bear · Posted

      Here's a starter kit:    CC Jensen, a Danish oil testing Concern gives us the following guidelines:   ISO 14/12/10 Very Clean Oil ISO 16/14/11 Clean Oil ISO 17/15/12 Lightly Contaminated ISO 19/17/14 New Oil ISO 22/20/17 Very Contaminated and not suitable for any service.   In addition CC Jensen gives a table showing how engine life is increased by cleaning up the oil. For example cleaning the oil from 19/17/14 to 13/11/8 will extend motor life by a factor of 6X.   But even cleaning it two “Life Extension Classes” will double motor life. So perhaps giving those classes would be useful:   21/19/16 20/18/15 19/17/14 18/16/13 17/15/12 16/14/11 15/13/10 14/12/9 13/11/8   *************************************   https://testoil.com/program-management/setting-iso-cleanliness-targets/   Third paragraph from the bottom will give a starting point.    Your next question should be, okay 10um at what Beta ratio and the answer is in the graph Beta 75.   Then the next question is what is your chosen filters profile? (Purolator PL series below) The red dot is Beta 75. This was the information I obtained from MANN a few years ago. So the best filters, Purolator One, AMSOIL EA, FRAM Ultra, Royal Purple, Bosch Premium should get a doubling engine life over filters like Purolator L, any service filter from any quick lube, WIX, NAPA, STP, Mobil 1, Purolator BOSS.    And as noted by CC Jensen a 2-5 micron @ Beta 200 bypass system has the capability of a six fold improvement. AMSOIL has such a system as does Donaldson.       Now having said all that testing is the touchstone. Test the oil NEW and test it with your chosen filter. Then test over milage. Do the work, get the result. But understand this in NOT absolute BECAUSE this is one factor in isolation.   Example:    A valve spring supplier can state that with cam X and a valve train of Y grams the valves will not float to 7K rpm. is that true if the builder choose a system 20 grams over limit? Common sense must be used and limits understood. 
    • bruceb58
      Road Master Active Suspension

      By bruceb58 · Posted

      This doesn't look like a GM truck. Not needed on a HD truck
    • CamGTP
      Gas Prices

      By CamGTP · Posted

      It varies a ton around me. Some places are still at $5.00 or higher and others are way down into the $4's.   Offroad diesel was $4.02 at the one station I passed today.
    • Hdwrguy
      2027 Chevrolet Silverado: Official Discussion

      By Hdwrguy · Posted

      So after reading the reveal from Chevrolet, I kept asking myself...why did the trim levels change?   Here are the official ones:   Work Truck (WT): The quintessential fleet truck, built with durable, easy-to-clean interiors for commercial or utilitarian use. Custom: A stylish, road-oriented trim that adds a more refined appearance, standard dual exhaust, and modern exterior styling. Custom Trail Boss: An entry-level off-roader featuring a 2-inch factory suspension lift and 34-inch mud-terrain tires on a budget. Silverado: Serving as the new base consumer truck (replacing the previous LT trim), it comes standard with the Z71 off-road package when equipped with 4WD. Trail Boss: Steps up the off-road hardware with the 2-inch lift, 34-inch tires, monotube shocks, an exclusive off-road hood, and more premium interior options. ZR2: The flagship off-roader. It boasts 35-inch mud-terrain tires, Multimatic DSSV dampers, front and rear electronic lockers, forged carbon-fiber interior accents, and an available hardcore Bison Edition (co-developed with AEV). High Country: The pinnacle of luxury. It replaces bright chrome with modern satin chrome, 22-inch wheels, premium leather, real wood interior trim, a panoramic sunroof, and an exclusive front-passenger touchscreen. As others have stated, why would you want a Silverado - 'Silverado' - wth?? LT needs to remain!!!   Also, there will no longer be a dedicated Z71 model.  All 4x4 trucks will have the Z71 package. Carplay is also something that cannot be removed.  Hopefully it will remain.     I am excited about the 5.7L V8 (350 C.I.D.)  Old school Chevy power.  My only concern is whatever version of AFM/DFM cylinder deactivation.  Too bad that isn't an option a buyer can choose to have or not.   I will definitely be stopping by my local dealership when these trucks start showing up.
    • richard wysong
      Gas Prices

      By richard wysong · Posted

      I haven't seen diesel for less than $5.30 anywhere in my area

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...