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GM/Chevy 6.2 EcoTec3 L86/L87 Engine – Specs, Common Problems & Real-world Reliability!
Welcome back, gearheads! Today we’re diving into one of GM’s most advanced truck engines — the 6.2L EcoTec3 V8, known as the L86 and L87. Found in the Chevy Silverado, GMC Sierra, and even the Cadillac Escalade, this powerhouse blends old-school pushrod performance with modern tech like direct injection, Dynamic Fuel Management, and a ...
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