Tag: 6.6L

The Real Reason GM’s New V8 Truck Engines Ditched 0W-20
The Real Reason GM’s New V8 Truck Engines Ditched 0W-20
Yesterday we broke down the RPO codes and oil spec for the 2027 Silverado and Sierra’s new Gen 6 V8s, and one detail in that...
L76 and L78 Return: GM’s New V8s Get Muscle Car Codes
L76 and L78 Return: GM’s New V8s Get Muscle Car Codes
The paper trail on General Motors’ next-generation V8 program just got a lot more interesting. GM-Trucks.com has learned that RPO codes for the new Gen...
2027 Chevrolet Silverado: Horsepower, Price, and Release Date (What We Know)
2027 Chevrolet Silverado: Horsepower, Price, and Release Date (What We Know)
The first official look at the 2027 Chevrolet Silverado 1500 gave us plenty to dig into. We walked away knowing the new seven-trim lineup, the...
GM Would Like Everyone to Stop Panicking About Ticking V8 Engines
GM Would Like Everyone to Stop Panicking About Ticking V8 Engines
General Motors has a message for modern truck and SUV owners: that ticking sound coming from your V8 engine is completely normal, so stop asking...
2027 Chevy Silverado Dealer Leaks: 5.7L V8 & 1,000-Mile Range Rumors
2027 Chevy Silverado Dealer Leaks: 5.7L V8 & 1,000-Mile Range Rumors
Earlier this month, we reported that General Motors gave dealers a sneak peek at the 2027 Chevrolet Silverado behind closed doors. Since then, we’ve had...
I Found GM’s Next-Gen Silverado HD EV Hybrid Hiding in Plain Sight – And It Changes Everything
I Found GM’s Next-Gen Silverado HD EV Hybrid Hiding in Plain Sight – And It Changes Everything
For years, General Motors has been pushing its electric vehicle strategy forward, first with the Chevrolet Bolt and now with the Silverado EV and GMC...
2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling
2023 Duramax Silverado HD and Sierra HD May Need Software Update To Prevent Stalling
Owners of a 2023 Chevy Silverado HD or GMC Sierra HD with an L5P 6.6L Duramax Turbo Diesel may have their trucks randomly stall and/or...
You Can Now Supercharge your Silverado or Sierra HD
You Can Now Supercharge your Silverado or Sierra HD
Procharger is letting Silverado and Sierra HD pickup owners in on the supercharging fun. Now, anyone with a (L8T) 6.6L Gasoline engine in their Silverado...
New TSB Issued For Duramax 3.0L LM2 and 6.6L LP5 Diesel P206B, Emission & Exhaust Fluid Errors
New TSB Issued For Duramax 3.0L LM2 and 6.6L LP5 Diesel P206B, Emission & Exhaust Fluid Errors
General Motors is addressing an issue that may cause check engine lights on 2020/2021 Diesel Silverado and Sierra pickups.  Both 3.0L and 6.6L Diesel Duramax...
2021 Chevy Silverado HD – What’s New, Changed & Discontinued
2021 Chevy Silverado HD – What’s New, Changed & Discontinued
The all new Silverado HD launched just last year but Chevy is already making changes for the 2021 model year. Here’s what’s new, changed, and...
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