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re: 2026 Chevrolet Silverado 1500 Custom Trail Boss advice
Posted on 8/30/26 at 11:10 am to Hangover Haven
Posted on 8/30/26 at 11:10 am to Hangover Haven
quote:
The ‘27s are going back to the 5.7 liter engine.
GM isn't bringing back the 5.7 Vortec from the 90s, they're building a new engine that also happens to be a 5.7.
Posted on 8/30/26 at 11:14 am to jake wade
It’s still jaw dropping people pay 100k for a GM truck
Posted on 8/30/26 at 11:53 am to biglego
quote:
If it has cylinder deactivation, don’t do it
Is that the feature that causes the engine to stop rather than idle?
I own a 2023 Silverado that I bought used in November of 2024.
So far, no problems, but I don't drive much since I retired.
The first thing I do after I start the engine is disable that feature. There is a button on the dash.
Posted on 8/30/26 at 1:07 pm to BHM
quote:
You know, I can say the same thing about my last 5 Altimas.
This is a trash level never before reached on the OT
Posted on 8/30/26 at 1:36 pm to 3deadtrolls
quote:
GM isn't bringing back the 5.7 Vortec from the 90s,
Bummer
Posted on 8/30/26 at 3:33 pm to 3deadtrolls
quote:
GM isn't bringing back the 5.7 Vortec from the 90s
Never said it was the Vortec...
Just said they're bringing back the 5.7 liter...
Posted on 8/31/26 at 6:45 am to 3deadtrolls
quote:
GM isn't bringing back the 5.7 Vortec from the 90s,
I'd think that they destroyed the molds like Chrysler did with the 440's in the 70s. All part of the bailout.
Posted on 8/31/26 at 6:46 am to VooDude
BS.
Posted on 8/31/26 at 7:02 am to Jim bean xxx
Engines were re-engineered for 2027. They added two more engines. At the same the transmission was re-engineered. GMC and Chevy the only major investment to make changes.
Tacoma is hit or miss. Japanese still have major issues with those engines.
Tacoma is hit or miss. Japanese still have major issues with those engines.
Posted on 8/31/26 at 7:28 am to Jim bean xxx
26 model with the 6.2. Motor is a beast. 2” lift with 35’s. 10k miles no issues so far.
This post was edited on 8/31/26 at 7:29 am
Posted on 8/31/26 at 7:57 am to Mid Iowa Tiger
quote:
I’ve run the numbers, the spread between gas and diesel has to exceed 66% before I merely break even. Your assumption of even $1.6 is more like 33% where it’s been running spreadwise. I’ve tracked it all and it checks.
This doesn’t include any increased purchase price, repairs, and maintenance costs though.
I wish it made more sense. Not a terrible idea, the risk just doesn’t seem to be there though.
Posted on 8/31/26 at 8:04 am to Mid Iowa Tiger
quote:
I’ve got that truck but in the 3 L diesel I highly recommend the 3 L diesel even with today’s gas prices and versus fuel. I’m saving money 25 miles to the gallon plus.
I bought the 25 High Country Silverado with the 3L diesel and it has been great. Before I retired earlier this year I was driving 80 miles per day commuting back and forth to work and was able to hit avg 29 mpg.
Now I just drive around town and still get about 24 mpg.
Posted on 8/31/26 at 8:18 am to LSUDAN1
quote:No, none of the manufacturers have. Newer transmissions are ticking time bombs. Some manufacturers have found a sweet spot with fluids and trans temp to prolong the failure, but they all are designed to fail in the name of MPG and comfort.
Did Chevy ever fox the transmission issues with the torque converter.
Older automatic transmissions the torque converter would only lock in when in Overdrive. Newer transmission start locking the torque converter in as low as 2nd gear. So you have a 6-10 speed transmission now locking the converter hundreds of times per drive where an older transmission would not. This does make the shifts smoother and also does help moderately with mpg in stop and go or non-cruising speed traffic.
If you buy new stay on top of all maintenance, not just oil changes. Most transmissions now are 'maintenance-free' so will need a guy or trusted shop for the 70k trans fluid drain and fill (not flush), if heavy hauling 20% or more of the miles look at that maintenance closer to 50-55K. If you buy used take it to a transmission guy and have them look at it. Especially if mileage is over 50k. You don't know the history or the previous owners driving history. Get someone to look at it. Also check the dealers policy and make sure you get it in writing in the 'no fault return' 14-30 days, whatever it is, and get the car checked out before that period is up.
It's when, not if. Stay on top of it and you can make the when push out, but unless you flash a tune that removes the locking in all but overdrive, then all current transmissions are bound to fail. Just know that tune will remove factory warranty, so if you have one it is probably not worth it.
Posted on 8/31/26 at 9:50 am to baldona
quote:
This doesn’t include any increased purchase price, repairs, and maintenance costs though.
The price difference between the base model, which is that turbo Max and the diesel is 3K. How many miles would you advertise that 3000 over?
When you look at repairs and maintenance versus the mileage between most of those things again, they’re minimal even the ridiculously placed timing belt, which is a 250,000 mile item costing $7500 or so per mile is fairly meaningless.
Posted on 8/31/26 at 10:32 am to Stinger_1066
quote:
Is that the feature that causes the engine to stop rather than idle?
I own a 2023 Silverado that I bought used in November of 2024.
So far, no problems, but I don't drive much since I retired.
The first thing I do after I start the engine is disable that feature. There is a button on the dash.
no, the cylinder deactivation is part of the active fuel management system that occurs at highway speeds where it shuts down some of the cylinders to increase gas mileage. the eventual failure on the engine is due to the lifters going out. it's a known issue.
i disable the auto stop as well, but just because it annoys me. it's not going to save your engine. might save your starter though.
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