1.4LT (LUJ) SAE power & torque curves

70AARCUDA

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From GM-Powertrain:

Manual Transmission

engines_plots_LUJ_cruze_mt.jpg


Automatic Transmission

engines_plots_LUJ_cruze_at.jpg


...notice the differences in the two torque curves, especially at the low- and high-ends!
 
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70AARCUDA

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Which 1.4LT engine-code does your Cruze S have: LUH or LUJ?

Over here, our 1.4LT engines have codes LUJ (2011-2012) and LUV (2013).
 
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KAI

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This is LUJ. No other applications of 1.4T in PL Cruze.
 
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sabahat

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I find that the difference in MPG when using higher octane becomes more apparent with more displacement. The larger American V8's I find will gain 10-15 HP with higher octane fuel. That extra power through the RPM range technically could allow the engine to operate more efficiently if you don't need to get in to the pedal as much to achieve your desired speed.
 

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