Just got my Silverado 1500 LT with the LZ0. It is an absolute dream. I live in CO and can't wait to pull the camper up the IKE.

@@ibold1000how is it holding up?

Did you notice 5hat the engine was severely overheating? The gauge needle was buried in the meltdown zone

Does the max tow package reduce gas mileage?

@TheSouders yes, as I said my wife's boss has a 2024 Denali and he gets around 32mpg and my Daughter recently bought a 2023 GMC elevation and is getting the same 32mpg. She just moved across the country to Tennessee and towed a 9000lb trailer and averaged 13.9 for the 2200 mile trip. She does not have the max tow, but I think the extra HP and Torque really make a difference in the 23 and up model.

That is the total weight being pulled by the engine.

That's clickbait!!

@@LaineHarbaugh no it's not. The engine is towing 15,000 lbs. It just also happened to be the limit of the truck as well.

Thanks for teh comment! the new truck have fuel control. you can't hurt them, we are testing the systems here. the fan was on full, truck is just that quiet. dont forget it has a DPF so you see higher temps due to the restriction. 1572 is the limp point. teh 3.0 never gets there because of teh ECU limiting fuel above 1,000 ish.

Hmm, we pulled off and went back down the Ike and the other video

Thanks for the comment. That is with MX OBD link I highly suggest an iDash instead. It's a full synthetic oil. That EGT is pre-turbocharger they're rated for right around 1600F sustained.

Oil boils at 242 degrees? Who told you that? That is flat out untrue

What is true then?? Oil definitely starts boiling as low as 240-250 degrees on the low end and 700 on the high end. Coming form the oil manufactures who produce it… @@firstlast---

@@user-jz1pw7rs8z The onset of thermal breakdown is different for every oil. Under high pressure moving quickly through the engine there is no chance oil will start boiling at that temp in those conditions. It won't happen

Not arguing with you. I have seen it boil at lower temps of 300 degrees. Of course every oil is different. Two things that kill motors. Heat and timing. This isn’t something I’m just shooting from the hip on. There is a reason the oil temp was hot, the cooler will only “cool” the oil so much..@@firstlast---

Good engine. My issues were bad dealers.

@@duramaxadventures5832 how so?

@@duramaxadventures5832 also, I can't believe that 3.0 is capable of towing that much! What's the gear ratio?

@@HostileTerritory this one is 3.23. if interested in towing get the 3.73 "Max trailering" hard to find but 100% worth it

my truck is an AT4 so has 3.23. 3.73 is what I would suggest unless you need 4WD Lo. if you lo range you will be forced to get a high country max trailering as that is the ONLY way to get both.

Considering this was maxed out and on the hottest day of the year and WOT. No. Wouldn't want to make it a habit but anything under 300 is okay If not ideal.

What engine oil do you recommend? I'm a Ford guy, but considering switching to a LZ0 so I'm reading all I can. Thanks for the videos!

@@BubblesandthePurrMonster it does! Only way to get 4lo, 3.0, and max trailering (3.73) now is you have to buy a High Country

No, truck was out of EGT headroom. Once it gets over about 1050 it starts pulling power. The torque request is basically the amount of available power.

Whoops this is also the wrong video title 😅😅

8:41 is not. A record

GM insists it's good until 320°

@@duramaxadventures5832 Alrighty then.. Nice job on the video I appreciate it

Why cook an engine like this??

@@ML-lg4ky bits literally designed to do exactly this.

There was no 3.0 max towing for 2021. 3.23 gears

@@duramaxadventures5832 wow that’s impressive. I have a 2024 LZ0 with the max trailering and 3.73 gears and have yet to put it to the test.

@@devinsampare9483 I was extremely unhappy with GM. In 2020 they had the secret package called the diesel off-road package and it came with 3.73s and mud terrains. I think they were fishing to see if they would have warranty issues. Suddenly in 2022 Max trailering becomes available. Unfortunately the diesel off-road package also included 4 low, Max trailering does not. However. If you want 4 Lo with a 3 l Duramax and max trailering there is a secret. All high countries come with 4 Lo as part of their whole brand image for that trim level thing. So if you order Max trailering on a high country it is the only way in all of GM to get a 3 l Duramax with four low and Max trailering.

GM has it set for 300 sustained. Their oil they use is good for 350.

@@AndrewVanMeer do you live in a mountainous area? I only had 1,400 lb of payload so do bear that in mind. That only gives you 550 lb for the driver and anything else that you put into the truck. For me personally the fuel economy when towing was about the same if not slightly better than a heavy duty diesel, and the unloaded highway economy was about 13mpg better than the L5P. If I hadn't already owned two 3.0's, I would have bought a another one. but instead I went with the Colorado which has been.... less than ideal when it comes to fuel economy. Over 11,000 mi I've averaged 14.2MPG. on this 3.0 AT4 that you see in the video, over 25,000 miles I got 22, but almost half of that mileage was towing.

@@duramaxadventures5832 I do not, but plan on taking this thing all over when we get the chance. Curb = 4,910 lbs GVWR = 7,200 lbs GCWR = 15,000 lbs Gross Axel Rating Rear: 3800 lbs 3800.0 min 4150.0 max My payload I calculated 2,290 lbs (GVWR - Curb) and tow of 10,090 lbs (GCWR - Curb)

@@AndrewVanMeer you'll need to check the actual truck you are buying. 1670 was max payload on AT4. But that was a 2019 5.3 small cab one.

@@AndrewVanMeer that curb weight is WAYY under what the AT4 is. Mine weigh 5800-ish

4wd

Yes 100% factory GM says oil good to 300. (Not technically wrong according to mobile 1 testing)

Honestly EGT are in control due to the ECM limiting power during sustained loads. That torque request (bottom right corner) is the dynamic tuning. Anything under 100 (at WOT) it's pulling power.

@duramaxadventures5832 yeh just from knowing the 6.6 duramax and working on them daily I wouldn't even bat an eye at 1200. Just the oil temp had me opening my eyes wide. I don't pay attention to torque demand, fueling is a more accurate way . I couldn't see on my screen but your engine fuel rate , what is it measure in ? Mm3?

@@TAGDIESEL the only option with this controller was gallons per hour.

@@duramaxadventures5832 controller? Could you program and adjust parameters with the live stream data reader you had plugged in?

GM runs them to 245. It has a computer controlled cooling system. Normal is 225 empty cruising on the highway. EcoBoost runs 235F on this hill.

@@duramaxadventures5832 I dunno, temp gauge shows it way up in the red zone. Was down around 212 at lower speed. I would watch the fuel consumption gauge to regulate my speed. Excess fuel burn is just over heating the engine, not making the wheels go round and round

@@enricoderojassarson5596 oh, ya that's because I didn't set the ranges correctly. You can change where the red starts and what not. And noted on the fuel burn. That was the plan if it ever got up to speed.

no T1 has adaptive suspension

It would not have. Not at 11k feet, 6.2 would be down to 230 RWHP.

3.5 ecoboost pulls this hill much better tho and at 2500 rpm.

@@WadeWiggins-eo7bc it does not. TFL's overheated and limped.

@@duramaxadventures5832 post video

Thanks for the comment. it's in the bottom left hand corner of the video and it looks like approximately 217.

@@adamh3272 every thing here is 15k, actually about 300 lbs over when full of fuel.

@@duramaxadventures5832 oh ok you are talking both trucks and trailer. I misunderstood.

Useable. Wish EGT could be kept lower to keep power up. LZ0 should solve this. Sway, nothing to note, this trailer won't sway unless you get REAL crazy loading it. Power wise is a bit of a double-edged sword on one hand they really gently taper this power to where you're not really going to notice that it's slowly decreasing power. (Whereas on a heavy duty it tends to be very apparent when it reduces power). On the other hand when not doing long passes and just doing sort of medium stuff I wish it would give you a little bit more lead room before it starts pulling power. I should probably clarify I'm not talking about power tanking off of a cliff it just slowly decreases it a couple percent at a time. Bear in mind though I also don't drive like a lunatic and I recognize that I weigh 15,000 lb. I've also always had a loaded trailer that weighs more than the truck. Honestly outside of the mountains from behind the wheel you don't really notice that you're working it hard, so it's really good at holding gears. Mpg and def you know but everything else is relaxing Fun fact I got better mileage on this run than I do towing my 5,000 lb trailer behind my LBZ.

Up hill part 3 is down hill. Careful using cruise in GM it uses the actual brakes on truck and trailer.

I hate when people call the 3.0 the "baby" Dmax. The 2.8 will forever be the baby dmax. people need to find a new name for the 3.0.

That's what it's towing. we are maxed out!

Ohh ok I misunderstood. I thought it was towing 15000 lbs

@@santiagoortega92 that's the total weight truck and trailer.

With the Max Towing package that gives it a higher numerical rear gear ratio, it'll tow 13,300 lbs.

I was so excited to have power, foot was getting tired from pushing so hard! 😂

I know. I started thinking of the old movie ," Das Boot", where the submarine is diving uncontrollably. Then he hit the pothole and the camera jerked.

It's shown on the left in the video

Don't see it

@@jw8578 bottom left on the 5k video stream of the gauge. 200-ish

200k service interval on the belt. I'm not too worried about it. Would I like all gear driven? For sure!

Agreed!!@@Derek-pd4fc

Sounds like you got a bad one to start with. If they were all that bad, we would be hearing about it all over the place. Since you are not trusting a Duramax, what is your recommended 1500 diesel setup because both Furd and Dudge pulled the plug on theirs.

@@billyyank5334 It's all over KZfaq people having problems with darmax diesel trucks common fuel problems. Ford, Chevy, Dodge the company's all know about it but they don't want to fix it costs to much or don't know how too fix it.

​@@billyyank5334 I wouldn't recommend a diesel setup 1500 the next too the towing of a Duramax Diesel. Is what I have now 1500 Chevy Silverado Texas edition 9,000-12,000 pounds. Maybe a trail boss but I think it's lower then the Texas edition less it's the Duramax.

@@billyyank5334 Some the diesel fuel made the fuel injectors bad and fuel pump. One KZfaqr said he was going to Ford because he was tired of fixing the same thing over and over and the dealership mainly just blames the owners. So they don't have to fix it but I seen the same thing with another KZfaqr on a Ford diesel truck oil fuel problem.

@@SULLIEDASP Thanks. I'll have to do some searching as I hadn't seen anything about that.

that's what GM has decided is "normal" for their product.

The ford trucks use oil I no some do have say they use oil

3.0 is only 3.23 or 3.73. this is 3.23.

Thanks for the info. I have been looking at a max tow 6.2 at 3.42, so I thought 3.42 was the max tow lackege, but I now see the 3.0 max tow is 3.73. Awesome! Would love that set up on my 3.0! @@duramaxadventures5832

I would hope so with 4.3 more liters, but the 7.3 is an under performing turd. Reliable yes, but extremely slow.

Yeah, I doubt it if it is a stock 7.3. The 1995 7.3 specs are 225 hp and 450 lb-ft. The little LM2 Duramax is 277 hp and 460 lb-ft and not to mention your 7.3 is going to be in a heavier F-250/350 unless you shoe horned it into an F-150 if it's even possible, so this Duramax 1500 will be walking all over you if you were pulling the same trailer weight. And I failed to mention that fancy 7.3 is 2.4 larger in displacement and making less power. LOL

the sticker is accurate on this truck. otherwise it isnt what you were sold. then you know full refunds, $20K compensation, false advertising charges, etc. they are feeding BS to TFL.

They literally put the VIN on the sticker… weight ratings are matched to each individual vehicle based on build specs.

engine is pulling 15K lbs up this mountain.

You misunderstood, the GCWR of the entire thing is 15k. That’s how much weight that little 3.0 had to move.