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2.7L TurboMax Engine

The ultimate resource for the 2027+ GM 2.7L TurboMax featured on the Chevrolet Silverado and GMC Sierra. Connect with other owners to discuss the enhanced power delivery, towing capability, and the brand-new 10-speed transmission.

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  1. Bent valve in 2025 GMC Canyon Denali - Requires engine swap at 14K miles

    By William Aldrich,   
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