Jump to content

3.0L Duramax - who owns or has driven one

redwngr
 Share

Recommended Posts

dw91 Enthusiast

dw91

Posted
Posted
48 minutes ago, redwngr said:

I would argue that the bulk def from a busy truckstop pump is probably fresher than jugs.

 

(if you are saying don't by jugs that are stacked by a fuel pump, then I'd agree)

 

 

No I’m saying buy the jugs. Lots of reported issues with the stuff at the pumps being contaminated. 

  • Replies 596
  • Created
  • Last Reply

Top Posters In This Topic

Popular Days

Top Posters In This Topic

Popular Days

Popular Posts

srqG8
srqG8

New guy here...   Hoping to give my .02 in case someone is considering the 3.0. And it’s also for the guy who is believing all the negative BS reviews like I almost did.    Long post, so

Gswartz
Gswartz

When I was shopping in November, I had salesman tell me: -1500 diesel didn’t exist -it’s a duramax/Allison so it will last forever -It’s a 1500 but can pull like a 2500 with the diesel

chris84
chris84

Joined the club over the weekend  

Posted Images

CamGTP Senior Enthusiast

CamGTP

Posted
Posted
1 hour ago, redwngr said:

What kind of fuel mileage does it get? sounds like way more def than the 6.6 GM's are usng.

GM 6.6's def usage is about 1.5 or 2% of fuel.

I guess I should say that it's a M2 freightliner chassis with the 6.7 cummins, so I'm sure the emissions requirements make so that the regen is performed more often. For how big and heavy the truck is it can get 12mpg on a good day and my normal avg is 11mpg.

Chevor Senior Enthusiast

Chevor

Posted
Posted
1 hour ago, dw91 said:

No I’m saying buy the jugs. Lots of reported issues with the stuff at the pumps being contaminated. 

I been making it a point when needing to fill DEF.  Turn the nossle downward before ever bringing it up to the truck.  Those nossels all seem to have fluid in them when being taken from the pump.

SkiDooNick700 Enthusiast

SkiDooNick700

Posted
Posted
On 9/2/2019 at 12:38 AM, redwngr said:

There are some starting to show up at dealers near here.

 

Reviews would be appreciated.

Hey, check this guys vid out,  maybe one of the first owners on YouTube 

 

 

 

wizard4878 Enthusiast

wizard4878

Posted
Posted
On 9/6/2019 at 9:19 PM, dw91 said:

In my area fuel is the same price, def is roughly $25/7-8000km depending on usage, and oil changes are the same. So def and fuel filters are the added cost. $100/yr in def and 2 fuel filters, not a big deal.

thats great,  diesel here is always at least a dollar a gallon more,  and unless I have read bad information, (can't believe I'd get that on the internet?)  the diesel holds 2 quarts more than the gas.   Not saying its a huge difference, but a couple of bucks here and there adds up quick

  • Like 1
dw91 Enthusiast

dw91

Posted
Posted

So the price difference in fuel is the difference between premium (suggested fuel for the 6.2L) and regular. Oh wait, maybe not in your area ie. the world so that’s irrelevant. And no big deal that it holds two quarts more, you can do twice the mileage per oil change.

wizard4878 Enthusiast

wizard4878

Posted
Posted
26 minutes ago, dw91 said:

So the price difference in fuel is the difference between premium (suggested fuel for the 6.2L) and regular. Oh wait, maybe not in your area ie. the world so that’s irrelevant. And no big deal that it holds two quarts more, you can do twice the mileage per oil change.

I guess redwngr will have to research prices in his area and decide for himself,  I'm not here to talk him or anybody else into or out of anything,  just tossing out things to think about,  oh, and for the record, I was comparing the duramax to the 5.3 because I don't think there is a comparison to the 6.2.  

It's just my 2 cents,  you don't have to agree...

Mink Enthusiast

Mink

Posted
Posted (edited)

Anyone seen fuel mileage listed on the sticker? Looking at them on auto trader it only has the mpg listed at 22/19. If that's the case I dont want it lol 

 

Edited by Mink
becker87 Senior Enthusiast

becker87

Posted
Posted
17 hours ago, Mink said:

Anyone seen fuel mileage listed on the sticker? Looking at them on auto trader it only has the mpg listed at 22/19. If that's the case I dont want it lol 

 

I believe for a 4x4 its something like 19/29 and a 2x4  22/33 or something like that.

redwngr Senior Enthusiast

redwngr

Posted
  • Author
Posted

DETROIT — The 2020 Chevrolet Silverado 1500 with the available, all-new 3.0L Duramax turbo-diesel engine delivers an EPA-estimated 33 mpg highway and 23 city in rear-wheel-drive models. EPA-estimated fuel economy for four-wheel drive models is 29 mpg highway/23 city.

 

 

https://media.chevrolet.com/media/us/en/chevrolet/home.detail.html/content/Pages/news/us/en/2019/jul/0725-silverado.html

Mink Enthusiast

Mink

Posted
Posted
18 hours ago, redwngr said:

DETROIT — The 2020 Chevrolet Silverado 1500 with the available, all-new 3.0L Duramax turbo-diesel engine delivers an EPA-estimated 33 mpg highway and 23 city in rear-wheel-drive models. EPA-estimated fuel economy for four-wheel drive models is 29 mpg highway/23 city.

 

 

https://media.chevrolet.com/media/us/en/chevrolet/home.detail.html/content/Pages/news/us/en/2019/jul/0725-silverado.html

That's right. I guess autotrader doesn't have the mpg for up for the new diesel yet. 

 

I have one on order, hopefully I see the sticker for myself this week. 

redwngr Senior Enthusiast

redwngr

Posted
  • Author
Posted
53 minutes ago, Mink said:

That's right. I guess autotrader doesn't have the mpg for up for the new diesel yet. 

 

I have one on order, hopefully I see the sticker for myself this week. 

Found link to EPA data for chev and gmc,  both 2 and 4wd :

https://www.fueleconomy.gov/feg/pdfs/guides/FEG2020.pdf

 

Numbers are      combined  city/hwy

2wd chev  3.0L, 6cyl     27  23/33 

4wd chev 3.0L,  6cyl     25  23/29

 

2wd gmc 3.0L,  6cyl     26  23/30

4wd gmc  3.0L, 6cyl     24  22/26

 

 

 

 

lrtexasman Enthusiast

lrtexasman

Posted
Posted
On 9/8/2019 at 7:38 PM, wizard4878 said:

thats great,  diesel here is always at least a dollar a gallon more,  and unless I have read bad information, (can't believe I'd get that on the internet?)  the diesel holds 2 quarts more than the gas.   Not saying its a huge difference, but a couple of bucks here and there adds up quick

about .20 difference around Dallas area.  Seems like Premium runs more than diesel.

KARNUT Senior Enthusiast

KARNUT

Posted
Posted

I driven my share of diesel trucks, all before the low sulfur change. Their mileage and durability was incredible. My brother and nephew continue for awhile. They weren’t as reliable after the changes. I read here that sometimes you can’t stop driving when you want to because of regen. Even in the light duty diesel. That alone would deter me.


Sent from my iPhone using Tapatalk

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.5k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,921
    Total Members
    8,960
    Most Online
    Enduro73
    Newest Member
    Enduro73
    Joined

  • Who's Online   5 Members, 1 Anonymous, 1,387 Guests (See full list)

  • Latest Articles

  • Posts

    • Atlas
      Wow I'm in a pickle. (Broke down truck) and a story.

      By Atlas · Posted

      While waiting for parts I have been working on installing the AC compressor, new accumulator, and orifice tube. Also changed out the high side ball valve (original). The orifice tube that was in there wasn't too bad. Slightly dirty, a little bit of junk, but not blocked. Glad I changed it out.   The accumulator, which should have been a 5 minute job, may have just burned $50. Put some PAG in it, wrote the date and mileage on the side, fresh o-rings and gooey'd up the threads and rings with Nylog. Got everything connected and snugged and was going to vacuum down the system, and....   My manifold gauge won't fit on the port. It's not an R12 service port. It LOOKS like an R134 service port but the diameter is a hair too large. There's a sticker on the accumulator that says it's designed to be used with R12 and R134a systems only. So it's not R1234yf. Even if I reduced the diameter slightly with a file, the shoulder on the port is too large so the quick-connect valve won't lock on. I'm stumped. It's going back, and 50/50 on if they'll give me a refund.   Also, I did a fuel pressure test.... Key on, the gauge spikes to about 60psi and quickly bleeds off, like 2psi per second. The fuel isn't going into the plenum, no smell, starts fine, so I'm guessing there's a bad check valve in the pump and the fuel is just draining back into the tank. oh, hell. But, it shouldn't be a problem, pump primes just fine and the truck starts right up. It just means I can't really ever use fuel pressure to verify a leak at the injector or intake.
    • No F-bdy Bs
      SERCICE ESC message?

      By No F-bdy Bs · Posted

      Got this yesterday out of nowhere. Truck is a 25',6.6 gasser with 8k miles.  Only semi anomaly is that the truck had been sitting, uncranked for 6 days. Elec Stability Control showed immediately upon cranking, not while driving. No drivability issues, just the message. Battery didn't seem to be weak when cranking over.  I drove it, killed it, let it sit a few hrs with no avail.  Truck is 100% stock. No damage. 
    • newdude
      on-wheel cellphone control: 2026 1500 WT (2.7L 4WD std cab)

      By newdude · Posted

      This can be done.  It is not cheap and requires an instrument cluster swap with custom programming, new steering wheel with the controls on it, and a special jumper harness.   The cluster upgrade - 12.3” Digital Cluster Upgrade – 2022.5–2026 Silverado / Sierra (T1 Refresh Pickup) - WAMS   The wheel upgrade - Steering Wheel Upgrade Kit – 2022.5–2026 Silverado / Sierra (T1 Refresh Pickup) - WAMS   The column harness upgrade - 2019 - 2026 Silverado / Sierra: Steering Wheel LIN Bus Harness - Harness Dr. - DIY Done Right     The problem with doing all of this?  You pretty much can't have any programming done to your truck that involves the cluster ever again.  The dealer won't be able to program the cluster as GM's system will only pull data for the cluster the truck came with.  So it would be advised also to turn off over the air updates.   TLDR;  Should have bought an LT double cab?  You'd have a power seat, the wheel controls, the cluster, all things that you've been seeking in your various posts so far about your new WT regular cab.  
    • dna9656
      New to Me 2010 SLE (Quirks, Issues)

      By dna9656 · Posted

      I was unaware of that, thanks for updating me.
    • newdude
      2026 TurboMax L3B 2.7L: AFM/DFM present/disablable? [2026 Silverado 1500WT: 4WD RC RB 2.7L]3GCNKAEK9TG345558

      By newdude · Posted

      Yes.  The 2.7 Turbomax has Active Fuel Management.  It is NOT the same as the V8s.  Totally different system.     Here is an article from GM when the 2.7 came out explaining the cylinder deactivation and the valve lift system.  Starts at the section called "SCS Valvetrain":   New Turbocharged 2.7L 4-Cylinder Engine Powers Full-Size Trucks – TechLink         This is an internet myth going around.  It was alleged that some 5.3s had this mystical 8th digit of the VIN as an "E" which somehow meant it had a new one year only 5.3 that didn't have DFM.  The writer of said article and the person that made the claim conveniently can't count because they posted the VIN.  The 8th digit was a "D" which meant its still the 5.3 with DFM.  The 9th digit of the VIN was an "E" and the 9th digit isn't the engine code.  At all.  

  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...