LML Duramax emissions delete feedback

[cnelson6]

What you getting for mileage with no wind or load on?

Getting around 12 litres per 100kms but as the tune sets in it gets better. It's already starting to pay for its self as when everything was good I was getting 13.5 with no load and when the cat started to plug it spiked up to 19 to 20 with no load. I need to throw some more miles on it and the trailer behind it instead of the sleds on the deck and see how it does bucking wind with a trailer.


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[jaredszakacs]

Thanks for the kind words it's been a pleasure working with you and glad the truck is working well for you. The new lps switch on the fly for the lml Duramax is out now it works real nice . Merry Christmas to everyone

 

[Merc63]

12 l per 100km with winter fuel?? I barely see that in a v6 passenger car.

 

[pfi572]

My LML deleted didn't help mileage.
Deleted at 131000 and runs great with nice clean oil after a couple changes.
EFI Live very mild tune and MBRP full exhaust . "It has a drone at 100 kms"
Just my findings.

 

[Merc63]

It's helps a bit, no regens and less restriction in exhaust but guys claiming passenger cars fuel economy in 8000 to 9000lbs trucks ha ha.

I put a test pipe in mine with stock exhaust, straight through no muffler, sounds great with zero drone and is actually quieter than my buddies aftermarket exhaust.

 

[cnelson6]

It's helps a bit, no regens and less restriction in exhaust but guys claiming passenger cars fuel economy in 8000 to 9000lbs trucks ha ha.

I put a test pipe in mine with stock exhaust, straight through no muffler, sounds great with zero drone and is actually quieter than my buddies aftermarket exhaust.

Not too worried if you don't believe what I'm seeing on my read out. I'm going off what my truck is saying and it has gotten better so take it for what you will.


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[Merc63]

Reset it every tank for a true read out.

 

[cnelson6]

I do


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[medler]

It's helps a bit, no regens and less restriction in exhaust but guys claiming passenger cars fuel economy in 8000 to 9000lbs trucks ha ha.

I put a test pipe in mine with stock exhaust, straight through no muffler, sounds great with zero drone and is actually quieter than my buddies aftermarket exhaust.

My 2016 stock will easily get 10.5- 12 L per 100 km according to the computer.
That is summer fuel and driving to. Haven't checked lately as it hasn't moved much since it got cold

 

[LBZ]

Hand calculate.
The lie o meter isn't accurate once you adjust the tuning.
Also use 3.88l per gallon not 4.54. US gal is what these trucks go by and nowhere in North america will you buy a gal of gas that equals 4.54.

 

[tstams]

My 2016 stock will easily get 10.5- 12 L per 100 km according to the computer.
That is summer fuel and driving to. Haven't checked lately as it hasn't moved much since it got cold

I have a tough time believing that we have a 2016 stock dually, havent seen anything better then 18l per 100 k and a 2015 deleted srw 3500 and we are getting 15l per 100. So unless you drive 90 k downhill on a highway would love to know how you get that millage.

 

[medler]

If I drive 110 seems to get better at that speed. But here is a picture with 300 km on the truck the day I bought it . Not really a average I suppose

 

[K45]

If I drive 110 seems to get better at that speed. But here is a picture with 300 km on the truck the day I bought it . Not really a average I suppose //uploads.tapatalk-cdn.com/20161225/e88a2f28bdb4584413e89e040f7c89e9.jpg

I Have a 2016 dually as well, I can get an average like that as well after a fill, but will not average that for a tank of fuel, usually averages 15L/100 plus 110km/hr average speed
I also have a 2017 F350 6.7 with 35,s will show 12,s for the top half of the tank but averages 14.5L/100 110km/hr average speed

So you really can't believe your lie o meter and you really can't believe it after tuning. My old 08 F350 with 38,s would show 9.5 - 10L/100 with a Spartan tuner 310hp tune, I wish LOL.

 

[Merc63]

I have a tough time believing that we have a 2016 stock dually, havent seen anything better then 18l per 100 k and a 2015 deleted srw 3500 and we are getting 15l per 100. So unless you drive 90 k downhill on a highway would love to know how you get that millage.

I get about the same with our dually.

Better in the summer, maybe 16 or so, 18 to 19 in winter.

 

[j335]

My 2016 stock will easily get 10.5- 12 L per 100 km according to the computer.
That is summer fuel and driving to. Haven't checked lately as it hasn't moved much since it got cold

Newer LML's get better fuel mileage than old ones. My deleted 11 got the same fuel mileage as a new 15. As they should for a $80k truck...

 

[Merc63]

It's the same truck and identical engine???

 

[j335]

It's the same truck and identical engine???

Different body might have something to do, definitely different tuning, some extra sensors (air intake has an extra starting in 13's)

Trust me newer LML's get better fuel mileage, I was surprised too on the trucks I've seen.

 

[jaredszakacs]

heres a few 15-16 dmax we just did and the ford getting the turbo.

 

[tstams]

If I drive 110 seems to get better at that speed. But here is a picture with 300 km on the truck the day I bought it . Not really a average I suppose //uploads.tapatalk-cdn.com/20161225/e88a2f28bdb4584413e89e040f7c89e9.jpg

Is this all highway driving?

 

[tstams]

heres a few 15-16 dmax we just did and the ford getting the turbo.

What tuner are you guys running for the new gms?