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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.
[17] [18] Cadillac claims the CT5-V Blackwing has a 0–60 mph (0–97 km/h) time of 3.4 seconds [19] with a 10-speed automatic transmission along with a top speed of 209 mph (336 km/h). [20] Upon release, it was announced by Cadillac that the CT5-V Blackwing, alongside the smaller CT4-V Blackwing, would be the last gasoline powered V models ...
The CT6-V served as a launch platform for Cadillac's hand-built 4.2-liter Blackwing twin-turbo V8, generating 550 horsepower (410 kW) and 640 pound-feet (870 N⋅m) of torque. The CT6-V also included all-wheel drive, making it the first V series ever to feature AWD, and the first Cadillac sedan ever to feature a V8 with AWD.
Cadillac claims a 0–60 mph (0–97 km/h) time of 3.9 seconds with the automatic and 4.2 with the manual gearbox, a top speed of 189 mph (304 km/h), and a 1/4 mile time of 12.14 at 117 mph (188 km/h). [12] The CT4-V Blackwing went on sale in early 2021 with a limited number of pre-orders.
The revised engine shared the same 4 in × 3.875 in (101.6 mm × 98.4 mm) bore and stroke of its predecessor, for an unchanged displacement of 390 cu in (6.4 L). Power was unchanged at 325 hp (242 kW), as was torque at 430 lb⋅ft (583 N⋅m).
The Northstar engine is a family of high-performance 90° V engines produced by General Motors between 1993 and 2011. Regarded as GM's most technically complex engine, the original double overhead cam, four valve per cylinder, aluminum block/aluminum head V8 design was developed by Oldsmobile R&D, [citation needed] but is most associated with Cadillac's Northstar series.
Cadillac 4.1 L engine. A new lighter V8 engine was rushed into production for 1982, the HT-4100 (option code LT8).It was a 4100 cc V8, designed for rear-wheel drive and longitudinal front-wheel drive applications sharing the same transmission bellhousing pattern as Buick, Oldsmobile, and Pontiac engine equipped rear wheel drive vehicles.
Production of the 4.2TT Blackwing models were limited with CT6-V totals of 504 (2019) and 411 (2020) while the Platinum totals were 168 (2019) and 117 (2020). Badging for the 2019 and 2020 CT6-V is the stylized Cadillac "V" on the trunk while the Platinum trunk badging is 4.2TT for 2019 models and 800T for 2020 models.