Best Chip/Programmer for Hemi

[Digitty]

I have a Lifted 14 4x4 Hemi. What chip/programmer do y’all use to get better fuel mileage?

 

[ToxicFire]

Buy a prius

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[MADDOG]

A programmer with that configuration on your truck won't help. Even without the lift it's hard to improve mileage unless you go with a weaker 87 octane mileage tune and even then it's not going to improve much at all. The fuel savings you might get won't come close to paying for the tool.

A programmer, with a custom tune, will help move the extra unsprung weight, improve throttle response and driveability.

My experience with three HEMI's I've owned and tuned with a standard tune included with the programmer was OK.The two I had a custom tune done for were great. I did get better performance out of the vehicles, and in one case I saw a very small highway mileage improvement but the best results were realized with a programmer and a custom tune combined with a true cold air intake and freer flowing exhaust.

Each vehicle was programmed using a Diablosport programmer.

YMMV and good luck finding better mileage from a HEMI powered truck.

 

[Digitty]

Thank you. That’s the kind of information I was looking for. I knew that adding the lift and tires would reduce the fuel economy but I didn’t expect it to be so significant. My last lift was on a 04 2500 diesel and it wasn’t that bad. I guess the Cummins could handle it better.

 

[ToxicFire]

Thank you. That’s the kind of information I was looking for. I knew that adding the lift and tires would reduce the fuel economy but I didn’t expect it to be so significant. My last lift was on a 04 2500 diesel and it wasn’t that bad. I guess the Cummins could handle it better.

Lol I posted the first comment then posted a second not being funny but guess they were to close together and didn't post.

Anyways on wife's truck 6 inch lift and 35's her millage dropped. We added a Diablo trinity this fall b and s and flow 40. We only drive highway though. Now we noticed maybe a very slight increase but will never pay off.

Does add some nice get up too it.

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