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Next-Gen 2027 Chevy Silverado Prototype Spied Testing

steelerdude15
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64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted
3 hours ago, asilverblazer said:

Interesting, I haven't heard any rumors or information about the displacement changes on the 5.3 and 6.2; along with nothing new about the 8.3 diesel.

 

I wonder if the 6.6 currently in the HDs will be moving down to the light duty, which would be odd because all the tuning and engineering done on that engine was not done for the light duty consumer.

I dont have info on the details of the 6.6 in the 1500's other than the displacement and it will have AFM/DFM crap on it and likely a sizeable EGR so if its the same as the one used in the HD it will ruin all that makes the L8T good. 

The 5.3 and 6.2 are gone, not just changed. 

The 8.3 Duramax is entirely new and will have changes to the charge air cooler system along with other items. 

 

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newdude
newdude

Well, the diesel lives *unless* those cooling inlets in the exhaust tips are on a gas truck which means we get gas particulate filters on the V8s.  You can see the cooling cuff/venturis on the pass. p

CamGTP
CamGTP

Looks like the GMT-900's used the L76 engine until 2009 from what google told me.   So 2007.5-2009.

steelerdude15
steelerdude15

In 2024, GM Authority exclusively brought you the first details about GM’s next-generation full-size half-ton pickup trucks – the Chevy Silverado 1500 and GMC Sierra 1500. Now, our spies have just cau

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64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted
44 minutes ago, C/K Man said:

Both the Chevy and International versions of the joint venture trucks use the current Duramax. 

I believe it is detuned from the pickup application. Thats been common for the Dmax in applications other than pickups. 

newdude Senior Enthusiast

newdude

Posted
Posted (edited)
2 hours ago, 64BAwagon said:

I believe it is detuned from the pickup application. Thats been common for the Dmax in applications other than pickups. 

 

 

Yes but it is a different RPO code due to there being a smaller turbo, different fuel injectors and different state of tune. 

 

Prior generations carried the same RPO code as the pickups and de-tuned but LBZ was skipped.  They used the LB7 2003-2004, the LLY 2004.5-2006 and then went straight to LMM for 2007-2009.   

Edited by newdude
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  • 1 month later...
revrnd Senior Enthusiast

revrnd

Posted
Posted

'If it's not broke, why fix it?'

 

My pet peeve is the 'chrome' inlay in the floor trim for the front doors. I can see if a person isn't careful w/ their boots getting in & out they will be scraped up in no time.

 

Does GM's braintrust not know that some of us use them as trucks, not cars?

  • 2 months later...
ledmircy New Member

ledmircy

Posted
Posted

Do not lower the trucks, clearance is one of the top needs for people who buy trucks to use them for their intended purpose. 🤔

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revrnd Senior Enthusiast

revrnd

Posted
Posted
1 hour ago, Black02Silverado said:

I wonder if the rear window leak will be finally fixed?

 

Is it around the outside where the glass meet the body (not the @ the sliding portion)? If yes, maybe tell the beancounters 'X' amount of urethane is required to effect a proper seal...

newdude Senior Enthusiast

newdude

Posted
Posted
1 hour ago, Black02Silverado said:

I wonder if the rear window leak will be finally fixed?

 

25 minutes ago, revrnd said:

 

Is it around the outside where the glass meet the body (not the @ the sliding portion)? If yes, maybe tell the beancounters 'X' amount of urethane is required to effect a proper seal...

 

 

 

revrnd Senior Enthusiast

revrnd

Posted
Posted

In reference to Ford offering 2 tone paint I just saw an F150 with charcoal as the primary upper & lower colour & red for the secondary. It's probably too late for the body design to be changed, but I find 'the swoop' on the 1500 fender & door doesn't lead itself to a 2 tone paint, unless it was the less popular version from back in the day where the lower portion of the truck was the secondary colour.

customboss Senior Enthusiast

customboss

Posted
Posted
On 7/22/2025 at 3:16 PM, revrnd said:

Not sure where you get that from the article...

Totally 180. I

messed up. 

  • 3 weeks later...
Atlas Senior Enthusiast

Atlas

Posted
Posted

I prefer the rear HDMI ports over what appears to be a copy of a C4 ZR1 exhaust tips on a pickup.

 

No doubt the new engines will be great. Not excited that the interior appears to favor a giant open billboard screen for the instrument cluster versus the nicely inset and shrouded cluster the trucks have today.

 

The rear window appears to be fixed, it's a one-piece rear glass design with a portal for the center opening section like the Fords have. It's probably more cost effective to build that way, too.

 

Going from a 327 back to a 350 or 400 V8 should make a lot of the oldtimers happy 😉

revrnd Senior Enthusiast

revrnd

Posted
Posted
30 minutes ago, Atlas said:

Going from a 327 back to a 350 or 400 V8 should make a lot of the oldtimers happy 😉

Im not sure if any of the braintrust realised that some people would be disappointed when the base V8 was reduced to a 5.3, probably not born when 327s were common. Likely never heard of 'bigger is better' either.

 

Only thing I can think of is to differentiate it from the 6.0 L which were never offered in the half tons.

 

  • 4 weeks later...

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