Tag: Gen 6

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...
What Do GM’s New 5.7L and 6.7L V8 Rumors Mean for the 2027 Silverado and Sierra 1500?
What Do GM’s New 5.7L and 6.7L V8 Rumors Mean for the 2027 Silverado and Sierra 1500?
Gas trucks are not dead. Far from it. But the next generation of Chevrolet and GMC Small Block V8 engines is “bigger” news for those...
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