A GM Long Block Engine Assembly for the 3.6L LFX engine is a fully assembled engine core (block, crankshaft, pistons, rods, cylinder heads, and valvetrain) specifically designed as a replacement part for vehicles such as the Canyon, Colorado, Camaro, and Caprice. This assembly provides the essential, core components of the engine, requiring additional parts like the oil pan, timing cover, valve cover, and water pump to be transferred from the old engine or replaced separately, depending on the vehicle’s application.
What it includes:
- Engine Block: The main housing of the engine.
- Rotating Assembly: Includes the crankshaft, connecting rods, and pistons, all assembled within the block.
- Cylinder Heads and Valvetrain: The assembled cylinder heads and the entire valvetrain.
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Application
This assembly is for the GM 3.6L LFX V6 engine, used in models like the 2015-2016 Canyon and Colorado, 2013-2015 Camaro, and 2012-2017 Caprice.
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“Long Block”
This term signifies a complete assembly of the engine’s core components, but it does not include external accessories like manifolds, fuel system, or electrical components, which are often reused from the original engine or need to be sourced separately.
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Fitment and Programming
The assembly requires programming and/or special setup procedures to function correctly in the vehicle, which are detailed in GM’s service information.
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External ComponentsDepending on the specific vehicle and the condition of the old engine, you may need to replace parts such as the oil pan, timing cover, valve cover, or water pump.
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