Cadillac twin-turbo V8

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The Cadillac Blackwing V8 (GM RPO LTA) is a twin-turbo DOHC V8 engine that was produced by the Cadillac Division of General Motors solely for use in its CT6-V and CT6-Platinum model years 2019 and 2020. It is a clean sheet engine design, as well as the Division's first ever twin-turbo V8 engine. The engine was branded as the "Blackwing V8" by GM technicians, and is the first Cadillac-exclusive dual overhead cam V8 engine since the Northstar V8 was dropped in 2011. Each engine was hand-built by a single technician at the Performance Build Center located inside the Corvette Assembly Plant in Bowling Green, Kentucky, and was marked with a plaque showing Blackwing V8 and the technician's name and signature. The aluminum cylinder block features pressed-in iron liners, cross-bolted main bearing caps and houses a lightweight forged steel crankshaft, forged steel connecting rods and high strength hypereutectic aluminum pistons. There are four sodium-filled valves per cylinder. The intercooled...

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