Bruce Nunnally Posted April 8, 2009 Report Share Posted April 8, 2009 The new 260hp/221 lb-ft 3.0L LF1 DI V6 base Engine joins the 304hp/273 lb-ft 3.6L LLT DI premium V6 in the 2010 CTS. The previous non-DI 3.6L base engine in the CTS made 263hp and 253 lb-ft of torque. It will now be retired from Cadillac use (?), although it appears in other applications. LF1 3.0L V6 ENGINE SPECIFICATIONS Engine type Dual Overhead Cams Piston displacement, cu. in.(liter) 183.1 (3.00) Bore and stroke, in.(cm.) 3.5 x 3.15 (8.89 x 8.00) Compression ratio 11.7:1 Horsepower 260@6950 rpm Kilowatts(kW) 193.96@6950 rpm Torque (lb.-ft.) 221@5600 rpm Newton - Meters (N-m) 298.35@5600 rpm LY7 GM 3.6L V6 VVT ENGINE SPECIFICATIONS Engine type Dual Overhead Camshaft Piston displacement, cu. in.(liter) 219.7 (3.60) Bore and stroke, in.(cm.) 3.7 x 3.4 (9.40 x 8.64) Compression ratio 10.2:1 Exhaust - single All Horsepower 263@6400 rpm Kilowatts(kW) 196.20@6400 rpm Torque (lb.-ft.) 253@3100 rpm Newton - Meters (N-m) 341.55@3100 rpm LLT GM 3.6L V6 VVT DI ENGINE SPECIFICATIONS Engine type Dual Overhead Camshaft Piston displacement, cu. in.(liter) 219.7 (3.60) Bore and stroke, in.(cm.) 3.7 x 3.37 (9.40 x 8.56) Compression ratio 11.3:1 Exhaust - single All Horsepower 304@6400 rpm Kilowatts(kW) 226.78@6400 rpm Torque (lb.-ft.) 273@5200 rpm Newton - Meters (N-m) 368.55@5200 rpm Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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