'GMAuthority' is reporting the 2027 HD's will have the L8S 6.6L gasoline V-8. There was some talk here about the L8S awhile back. Not sure what changes it will have now as it seems the 2027 emissions regulations have changed from what was originally proposed. The big question will be is L8S just a stopgap for the last 2 years of the current T1 HD platform or will it carry forward to the next generation 2029 T1-2 HD's?
I assume the L8S will still be a Gen. V engine.
I am not a NOCO fan for a charger I would leave on a battery 24/7. The reason is, it doesn't really float. It waits until the battery drops to a certain voltage and then charges it back up to 14V. It's better than no charger I guess.
I would never do anything but lithium.
If the vehicle is stored, just turn the disconnect off. My batteries are completely disconnected form everything in the trailer when my disconnect is off. Trailers don't always come that way as some still keep the CO/LPG monitor on. When mine is off...it is off.
As far as storage temps, LiFePO4 are good down to -20°C. I would store them in a heated place if it goes below that. You can also get heating mats with a thermostat if power is available.
The way the heaters work, if it's below 0°C, if a charge comes in, it is directed entirely to the heater until the battery gets above 0°C and then it allows the charge to go to the battery.
For my Android tablet I use as a display, I can move it inside my house if I was ever in an area that got super cold.
What meaningful corrections were done to fix the "machining errors?"
I bet nothing, because the 6.2 is soon to be obsolete. Why would GM implement any fix let alone an "expensive one?"
Until someone can provide any convincing information that GM did ANYTHING to correct the engines - the 6.2 is no for me.
Which means keeping the 2016 Denali longer until the next generation (6.6?) proves itself.
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