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LM2 replacement announced

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Dirk13 Enthusiast

Dirk13

Posted
Posted

The vast majority of it will likely be the same engine. 
 

Looking forward to hearing what they are changing. 

20L8TSierra24 Senior Enthusiast

20L8TSierra24

Posted
Posted

If its anything like the 6.6, when they change an RPO code a lot changes. LMM, LML, L5P... Same displacement but that's it. 

f8l vnm Senior Enthusiast

f8l vnm

Posted
Posted

I think the magic number is 300/500 ( hoping) 

With Stelantis brining out their 2 Turbo 6 engines, i think GM has to make a decision here on how to move forward. 

They are the only one left now with a V8 as their top dog .  Do the 5.3 and 6.2 get updates or will they phase out one of the motors for a Turbo 6 . Its inevitable IMO.  

redwngr Senior Enthusiast

redwngr

Posted
Posted

Maybe they'll drop them, but not for 2023 model.

 

Listed for 2023 1500 pickups 

 

L3B    Engine, 2.7L Turbo High-Output, (310 hp [231 kW] @ 5600 rpm, 430 lb-ft of torque [583 Nm] @ 3000 rpm)

L84         Engine, 5.3L EcoTec3 V8, (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

L87         Engine, 6.2L EcoTec3 V8, (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

LZ0         Engine, Duramax 3.0L Turbo-Diesel I6

 

All have restrictions regarding trims, transmissions, 2wd/4wd, etc.

LZ0 is the only one that doesn't have hp/tq listed (I guess we gotta be patient)

 

 

New for '23 tabs say:
 

GMC Sierra /Denali 1500

Deletions

     (GAN) Quicksilver Metallic
     (GSK) Cayenne Red Tintcoat
     (Q7L) 22" x 9" (55.9 cm x 22.9 cm) Low Gloss Black Aluminum Wheels with Machined Accents

New Features

     (GXD) Sterling Metallic
     (GNT) Volcanic Red Tintcoat
     (GXN) Deep Bronze Metallic
     (SMR) 22" x 9" (55.9 cm x 22.9 cm) midnight painted aluminum wheel with machining and bright Chrome Inserts

Changes

     (PED) Sierra safety plus package content is now standard on 4SB
     RPO change on (LM2) 3.0L Duramax Turbo-Diesel is now (LZ0) 3.0L Duramax Turbo-Diesel 

 

Chevrolet Truck Silverado 1500

Deletions

     (GAN) Silver Ice Metallic
     (GSK) Cherry Red Tintcoat
     (LM2) 3.0L Duramax Turbo-Diesel I6 engine

New Features

     (GNT) Radiant Red Tintcoat
     (GXD) Sterling Gray Metallic
     (GXN) Harvest Bronze Metallic
     (HF0) Jet Black/Umber Interior available on High Country (3LZ)
     (LZ0) 3.0L Duramax Turbo-Diesel I6 engine
     (VQE) Protection film

 

 

f8l vnm Senior Enthusiast

f8l vnm

Posted
Posted
2 hours ago, redwngr said:

Maybe they'll drop them, but not for 2023 model.

 

Listed for 2023 1500 pickups 

 

L3B    Engine, 2.7L Turbo High-Output, (310 hp [231 kW] @ 5600 rpm, 430 lb-ft of torque [583 Nm] @ 3000 rpm)

L84         Engine, 5.3L EcoTec3 V8, (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

L87         Engine, 6.2L EcoTec3 V8, (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

LZ0         Engine, Duramax 3.0L Turbo-Diesel I6

 

All have restrictions regarding trims, transmissions, 2wd/4wd, etc.

LZ0 is the only one that doesn't have hp/tq listed (I guess we gotta be patient)

 

 

New for '23 tabs say:
 

GMC Sierra /Denali 1500

Deletions

     (GAN) Quicksilver Metallic
     (GSK) Cayenne Red Tintcoat
     (Q7L) 22" x 9" (55.9 cm x 22.9 cm) Low Gloss Black Aluminum Wheels with Machined Accents

New Features

     (GXD) Sterling Metallic
     (GNT) Volcanic Red Tintcoat
     (GXN) Deep Bronze Metallic
     (SMR) 22" x 9" (55.9 cm x 22.9 cm) midnight painted aluminum wheel with machining and bright Chrome Inserts

Changes

     (PED) Sierra safety plus package content is now standard on 4SB
     RPO change on (LM2) 3.0L Duramax Turbo-Diesel is now (LZ0) 3.0L Duramax Turbo-Diesel 

 

Chevrolet Truck Silverado 1500

Deletions

     (GAN) Silver Ice Metallic
     (GSK) Cherry Red Tintcoat
     (LM2) 3.0L Duramax Turbo-Diesel I6 engine

New Features

     (GNT) Radiant Red Tintcoat
     (GXD) Sterling Gray Metallic
     (GXN) Harvest Bronze Metallic
     (HF0) Jet Black/Umber Interior available on High Country (3LZ)
     (LZ0) 3.0L Duramax Turbo-Diesel I6 engine
     (VQE) Protection film

 

 

Very good info! Thank you .

jlong1984 Enthusiast

jlong1984

Posted
Posted
6 hours ago, redwngr said:

Maybe they'll drop them, but not for 2023 model.

 

 

The talk of the town is that new powertrains are coming for '25 (model year '26) when the Silverado/Sierra get their next significant redesign. Lots of people seem to think the 5.3 will be dropped and replaced with a turbocharged V6 of some sort and the 6.2 will probably be the only V8 offered. Obviously, that's just talk at this point. 

Bamacommander Enthusiast

Bamacommander

Posted
Posted

I would hope that they would get rid of the oil pump belt that has to be replaced at 150,000 miles by dropping the transmission . That is why I stayed away from this diesel and went with the 6.2. 

  • Like 1
Anon12345 Enthusiast

Anon12345

Posted
Posted
4 hours ago, Bamacommander said:

I would hope that they would get rid of the oil pump belt that has to be replaced at 150,000 miles by dropping the transmission . That is why I stayed away from this diesel and went with the 6.2. 

 

Is that for 2.8, 3.0, and 6.6 diesels? Or just the 3.0?

Dirk13 Enthusiast

Dirk13

Posted
Posted
10 hours ago, Anon12345 said:

Got proof?

He doesn’t. They are rumors and not ones that came from GM. Just people talking on the internet. 
 

Im not saying that isnt a possibility, there just isn’t any information out there at all. 

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