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1.4LT (LUJ) SAE power & torque curves


This is a discussion on1.4LT (LUJ) SAE power & torque curves within the 1.4L Ecotec Turbo I4 forums, part of the Engine and Performance | Cruze Forumz category!
From GM-Powertrain : • Manual Transmission • Automatic Transmission ...notice the differences in the two torque curves, especially at the ...

138HP | 148 lbft 1.4L Turbo Ecotec Engine Discussion


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Old 07-24-2011, 03:43 AM   #1
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Default 1.4LT (LUJ) SAE power & torque curves

From GM-Powertrain:

Manual Transmission



Automatic Transmission



...notice the differences in the two torque curves, especially at the low- and high-ends!
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Last edited by 70AARCUDA; 05-28-2012 at 08:10 AM. Reason: updated: 28-May-2012
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Old 12-02-2012, 06:37 AM   #2
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Default Europe = 1.4L Turbo

But for Europe seems to be 1850 rpm manual.
Powertrain Products Europe

I also checked in some brochures given by the dealer:
200 [email protected] rpm in manual
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Old 12-02-2012, 11:44 AM   #3
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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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Old 12-02-2012, 05:30 PM   #4
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This is LUJ. No other applications of 1.4T in PL Cruze.
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Old 12-03-2012, 03:28 PM   #5
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Quote:
Originally Posted by KAI View Post
This is LUJ. No other applications of 1.4T in PL Cruze.
...here's earlier post about the 'difference' between the LUJ and LUV engines: 1.4LT (LUV) VVT DOHC seq.MFI -- "new"
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Old 11-08-2014, 05:24 AM   #6
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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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