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Converted to E85

bobbobtar

By bobbobtar
in Modifications & Accessories

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RDKILL Enthusiast

RDKILL

Posted
Posted
4 minutes ago, Nasty said:

Your truck didnt have e85 at first and you just added injectors?

Yes and no.

Non-Flex Fuel truck, and all I've done is have a tune made for me by BBP to run a 50/50 mixture.

I'm thinking of getting larger injectors, but not sure if I'll see an improvement that will justify the $$$ for larger injectors.

 

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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.

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Nasty Senior Enthusiast

Nasty

Posted
Posted
2 minutes ago, RDKILL said:

Yes and no.

Non-Flex Fuel truck, and all I've done is have a tune made for me by BBP to run a 50/50 mixture.

I'm thinking of getting larger injectors, but not sure if I'll see an improvement that will justify the $$$ for larger injectors.

 

So you didnt add the sensor?

RDKILL Enthusiast

RDKILL

Posted
Posted
1 minute ago, Nasty said:

So you didnt add the sensor?

LOL!

No, just a tune from BBP...that's the only thing I did.

Nasty Senior Enthusiast

Nasty

Posted
Posted
3 minutes ago, RDKILL said:

LOL!

No, just a tune from BBP...that's the only thing I did.

You're going to have problems I think. I think the only reason your truck is running is because you're running some gas.  You need the sensor    

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RDKILL Enthusiast

RDKILL

Posted
Posted

That's the beauty of having a BBP tune with AutoCal. You can have tunes made for any mods you make to your truck.

I.e. if I add headers, I can get a tune for that and if later I decided I want to install a cam, I can get a tune for that.

I'm sure there are other handheld tuners that can be used, but I prefer BBP as they have great customer service and I think are more flexible with what they can do for me as far as tuning goes.

RDKILL Enthusiast

RDKILL

Posted
Posted
1 minute ago, Nasty said:

You're going to have problems I think. I think the only reason your truck is running is because you're running some gas.  You need the sensor    

Well I have been running it like this for over a year with no issues, so I'm not convinced of the need of a sensor since the ECU has been tuned.

RDKILL Enthusiast

RDKILL

Posted
Posted

You're in CA, so you should give them a call and see what they can do for you...you probably won't have to wait as long since they're located in CA as well.

I had to wait until they did a tune here in TX, but once the initial was done, all other tunes are done via email....nice!

Nasty Senior Enthusiast

Nasty

Posted
Posted
1 minute ago, RDKILL said:

You're in CA, so you should give them a call and see what they can do for you...you probably won't have to wait as long since they're located in CA as well.

I had to wait until they did a tune here in TX, but once the initial was done, all other tunes are done via email....nice!

I wouldn't let bbp touch a pinto if I owned one. 

RDKILL Enthusiast

RDKILL

Posted
Posted
1 minute ago, Nasty said:

I wouldn't let bbp touch a pinto if I owned one. 

LOL!

They don't do Fords...to each his own I guess...but that's what I did and I have no problems and great acceleration/pull. Of course I also had them tune my tranny which helps with staying in the right gear longer.

KARNUT Senior Enthusiast

KARNUT

Posted
Posted

Unless there’s been a change. The only difference between a flex-non flex fuel truck is the sensor, a hundred dollar option. Also unless there’s been a change, with the sensor you truck would tune up the truck by 25 HP. I think I would have went with the sensor.


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Nasty Senior Enthusiast

Nasty

Posted
Posted
2 hours ago, KARNUT said:

Unless there’s been a change. The only difference between a flex-non flex fuel truck is the sensor, a hundred dollar option. Also unless there’s been a change, with the sensor you truck would tune up the truck by 25 HP. I think I would have went with the sensor.


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Ok so I figured it out. You can run e85 mix without a sensor but only at the ratio of the tune. So let's say you need gas and the station doesn't have e85 to mix.  You're screwed and the vehicle will run like crap. Has to be the mixture the vehicle was tuned for and nothing else.  So it seems like a huge hassle to do it that way 

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KARNUT Senior Enthusiast

KARNUT

Posted
Posted
Ok so I figured it out. You can run e85 mix without a sensor but only at the ratio of the tune. So let's say you need gas and the station doesn't have e85 to mix.  You're screwed and the vehicle will run like crap. Has to be the mixture the vehicle was tuned for and nothing else.  So it seems like a huge hassle to do it that way 

I don’t understand your response. My GMC was E-85, ran well on all gas. The best on E-85. If I was going to run an engine tune I would run a E-85 tune. Running a tune for a mix of 93 gas mixed with E -85 would be a lesser tune for lower octane versus an E-85 tune. With the sensor you would get more hp out of E-85. You still could run other grades with self adjustment.


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Nasty Senior Enthusiast

Nasty

Posted
Posted
2 minutes ago, KARNUT said:


I don’t understand your response. My GMC was E-85, ran well on all gas. The best on E-85. If I was going to run an engine tune I would run a E-85 tune. Running a tune for a mix of 93 gas mixed with E -85 would be a lesser tune for lower octane versus an E-85 tune. With the sensor you would get more hp out of E-85. You still could run other grades with self adjustment.


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If your truck was not originally an e85 I'm saying 

RDKILL Enthusiast

RDKILL

Posted
Posted
12 hours ago, KARNUT said:

Unless there’s been a change. The only difference between a flex-non flex fuel truck is the sensor, a hundred dollar option. Also unless there’s been a change, with the sensor you truck would tune up the truck by 25 HP. I think I would have went with the sensor.


Sent from my iPhone using Tapatalk

So how is the sensor different from a tune?

They both talk to the ECU to do operate the vehicle correctly without throwing a CEL.

I guess I should ask this question to BBP and see what they say.

RDKILL Enthusiast

RDKILL

Posted
Posted
9 hours ago, Nasty said:

Ok so I figured it out. You can run e85 mix without a sensor but only at the ratio of the tune. So let's say you need gas and the station doesn't have e85 to mix.  You're screwed and the vehicle will run like crap. Has to be the mixture the vehicle was tuned for and nothing else.  So it seems like a huge hassle to do it that way 

Sorry to inform you, but your hypothetical analysis is incorrect.

My truck is tuned to run a 50/50 mix, and if I choose to, I can run 100% 93oct and not have any problems...I just can't run 100% E85.

I run 93 only during the cold winter months without a problem, so no biggie other than loss of performance if there's no E85 available.

This is factual and true data.

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