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XT-V engines?


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After some thought, I am going on record and predict that the CT4-V 320 hp 2.7L inline 4 is the V-engine for the XT4-V, (up from 243 hp in XT4), and the CT5-V 355 hp 3L Turbo Six is the V-engine for the XT5-V, (up from 310 hp 3.6L V6 in XT5).  You heard it here first.

Bruce

2023 Cadillac CT4-V Blackwing

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Bruce do you have a link to a description of the 2.7L 4 cylinder?

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Car & Driver review of L3B 2.7L four in Silverado:

https://www.caranddriver.com/features/a23911984/general-motors-new-four-cylinder-turbo-engine/

Specs from CT4-V below.  I note that the pressure goes up quite a bit from prior LTG 2L, and the extra displacement.  They are clearly tuning for a flat torque band.

May make it a fun car to drive, just run out of steam too soon.

ENGINE, TRANSMISSION & AXLE

Engine Type:

2.7L Turbocharged I4

Valvetrain:

Dual-overhead camshafts, four-valves per cylinder, 3-step sliding camshaft, continuously variable valve timing, variable valve lift and Active Fuel Management

Fuel Delivery:

Direct high-pressure fuel injection

Turbocharging System:

Single dual-volute turbocharger with electronically controlled wastegate; intercooling system; 33-psi / 2.3 bar max boost

Horsepower
(hp / kW @ rpm):

320 / 239 @ 5600 (est.)

Torque
(lb.-ft. / Nm @ rpm):

369 / 500 @ 1800 (est.)

Transmission Type:

Hydra-Matic 10L60 ten-speed automatic

Final Drive Ratio:

2.85

 

Bruce

2023 Cadillac CT4-V Blackwing

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That is impressive, thanks!

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Nice SAE article: https://www.sae.org/news/2018/05/gm-2.7-l-i-4-revealed

Code named L3B and built in GM’s Spring Hill, TN manufacturing plant, this turbocharged and intercooled gasoline 2.7-liter DOHC I-4 aims to provide Silverado buyers a breakthrough combination of power, torque, and fuel economy—minus a traditional four-banger’s noise and vibration. 

2019-chevrolet-silverado-2.7l-i-4.jpg

 

Bruce

2023 Cadillac CT4-V Blackwing

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When I think of the underpowered 4 cyl engines in the Chevy Monza from the 80s, this is shocking.  Direct injection at 3,000 psi.  I wonder if they have solved the DI intake valve fouling.   It also has VVT and variable valve lift...  

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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