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  #1  
Old 11-18-2015, 05:41 AM
riffin-rich riffin-rich is offline
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Default Tuners on 2016 Ram 1500's ... ?

Forgive me, folks. I know nothing about the topic and tried reading/researching but it's too difficult a topic. Can anyone distill this for me? I did read something about "rolling codes" rendering tuners unusable. Is this the case?

For what it's worth, I'm not interested in more horsepower. I only want to detune power to maximize fuel economy for daily driving, and then select factory programming for when I need the power to tow. Any such thing?

Many thanks!
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Old 11-18-2015, 09:35 AM
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You would be hard pressed to get a tuner that will yield any kind of real MPG increase. you are better off just keeping your foot out of it and keeping your warranty.

And 2016's have not been decoded yet. On 2015's, the encryption is so difficult to break (and rotates every few seconds or something) that HemiFever decided to just offer unlocked Engine Control Unit's with their tuners so you can just do an ECU swap and then tune.

That costs $1,099.99.

Not sure about you but I can buy a lot of fuel with a thousand bucks, and the truck has plenty of power for me...so I won't be purchasing a tuner anytime soon knowing I have to change my trucks computer....that scares the bejeezus out of me.
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Old 11-18-2015, 08:10 PM
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Originally Posted by ArmyofOne View Post
You would be hard pressed to get a tuner that will yield any kind of real MPG increase. you are better off just keeping your foot out of it and keeping your warranty.

And 2016's have not been decoded yet. On 2015's, the encryption is so difficult to break (and rotates every few seconds or something) that HemiFever decided to just offer unlocked Engine Control Unit's with their tuners so you can just do an ECU swap and then tune.

That costs $1,099.99.

Not sure about you but I can buy a lot of fuel with a thousand bucks, and the truck has plenty of power for me...so I won't be purchasing a tuner anytime soon knowing I have to change my trucks computer....that scares the bejeezus out of me.
This all the way, you have to get en entirely separate ECU setup to even have hope of tuning the 2015s (my dad found this out the hard way) and honestly if you de-tune the power you WILL get worse mpg. To get better mpg you NEED to maximize the VE factor of an engine, not lower it.
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Old 11-22-2015, 05:41 PM
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Honestly, the way these trucks are designed, with CAFE standards going up, if FCA could squeeze even 1 more MPG out of the truck, they would have. The best fuel economy you are going to get is with a lightweight foot and a completely stock truck.
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Old 11-23-2015, 08:23 PM
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Originally Posted by ArmyofOne View Post
Honestly, the way these trucks are designed, with CAFE standards going up, if FCA could squeeze even 1 more MPG out of the truck, they would have. The best fuel economy you are going to get is with a lightweight foot and a completely stock truck.
I can't help but think back to my 7.3L PowerStroke. Loved that thing. But a buddy bought a tuner for his same truck and got 3-4mpg better gas mileage. Then when he needed to tow his 30' camper into the mountains (we lived in Colorado Springs), he changed the program for some boost (which honestly wasn't needed but he liked to do it because he could). Anyway, it's all good. Thanks for getting back! - Rich
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Old 11-23-2015, 11:43 PM
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I can't help but think back to my 7.3L PowerStroke. Loved that thing. But a buddy bought a tuner for his same truck and got 3-4mpg better gas mileage. Then when he needed to tow his 30' camper into the mountains (we lived in Colorado Springs), he changed the program for some boost (which honestly wasn't needed but he liked to do it because he could). Anyway, it's all good. Thanks for getting back! - Rich
Diesels are a totally different story compared to gas engines.
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Old 11-24-2015, 01:41 AM
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Yeah, plus how old were those trucks, 20 years old with the 7.3?
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Old 11-24-2015, 10:43 AM
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thought chrysler was going to come out with their own chips. just an internet myth?
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Old 11-30-2015, 11:40 PM
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Diesels are a totally different story compared to gas engines.
This^
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thought chrysler was going to come out with their own chips. just an internet myth?
Yes.
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Old 12-01-2015, 06:55 PM
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Yeah, plus how old were those trucks, 20 years old with the 7.3?
Jeez you are making me feel OLD! I bought a new F350 7.3 in 1999... The made it until 2003 when they switched to the 6. oh no. The first ones where in the '87's I think, similar to the 6.9 offered in the early eighties.

I agree with the others, don't bother spending $1000 on a tuner, I seriously doubt it would have enough positive effect to make it worthwhile. I would suggest exhaust could improve efficiency some but that usually backfires because drivers like the sound too much.
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