2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

2.4l ss sedan

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Old Jun 11, 2017 | 07:14 PM
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From: Stjohns
2.4l ss sedan

Hey I've got a 2.4l with intake and magnaflo cat back with ​header done car sounds good but I want HP...any tips?... stage 2 tune???...
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Old Jun 11, 2017 | 07:17 PM
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Lil'Red
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Old Jun 11, 2017 | 08:45 PM
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Old Jun 11, 2017 | 10:17 PM
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Turbo or supercharge it for more power
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Old Jun 11, 2017 | 11:05 PM
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Originally Posted by Papa3kids
Hey I've got a 2.4l with intake and magnaflo cat back with ​header done car sounds good but I want HP...any tips?... stage 2 tune???...
How much HP do you want?
Next, what are you willing to spend?
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Old Jun 12, 2017 | 07:46 AM
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As much as I can get without doing the supercharger ... As for cost I'm not in a huge rush fixing up the car has become a hobby of mine I'm willing to wait if it means saving up $
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Old Jun 12, 2017 | 09:43 AM
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Dollar to horsepower gain the supercharger is probably your most economical route. Why do you not want to go supercharged?
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Old Jun 12, 2017 | 09:50 AM
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Well have fun spend around 2k on bolt ons and a tune and be at like 160whp.
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Old Jun 12, 2017 | 12:04 PM
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Originally Posted by Papa3kids
As much as I can get without doing the supercharger ... As for cost I'm not in a huge rush fixing up the car has become a hobby of mine I'm willing to wait if it means saving up $
You could spend more $$ and end up with less HP staying NA. Maybe plan for a SC down the road and make changes that can apply later. It looks like you have a good start. I would add a wide band O2 so you can keep an eye on what your current mods have done to your fuel enrichment mode. The PCM can adjust to the stoichiometric value in closed loop under 80% throttle opening to a point, only around 10% but above that the O2 readings are ignored although the engine is still in closed loop and the engine now runs off of set parameters. That is when you will notice your running lean which can be very damaging.

Last edited by Henry3959; Jun 12, 2017 at 03:54 PM.
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Old Jun 12, 2017 | 04:10 PM
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Originally Posted by Papa3kids
As much as I can get without doing the supercharger ... As for cost I'm not in a huge rush fixing up the car has become a hobby of mine I'm willing to wait if it means saving up $
If your interested, I can give you a current breakdown of every SC part and its cost to rebuilt less labor as I did it myself.
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Old Jun 12, 2017 | 04:14 PM
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Sure a breakdown would be great.if I could keep everything around 2k I think I may go for it
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Old Jun 12, 2017 | 04:29 PM
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I really don't know what I'm getting into or if the car is worth the work involved any advice is appreciated...how much who does the stock le5 have I've read 172 but that must be in motor is it???
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Old Jun 12, 2017 | 04:46 PM
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Originally Posted by Papa3kids
Sure a breakdown would be great.if I could keep everything around 2k I think I may go for it
Items are listed as new or used and tuning cost is up to you. I purchased my own tuner.
What you find for a supercharger kit can really vary and whether you choose to rebuild it or not.
I'm installing mine this weekend and will take a final pic of all the components.


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Old Jun 12, 2017 | 07:34 PM
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From: Stjohns
Originally Posted by HGT
Items are listed as new or used and tuning cost is up to you. I purchased my own tuner.
What you find for a supercharger kit can really vary and whether you choose to rebuild it or not.
I'm installing mine this weekend and will take a final pic of all the components.


Thanks I appreciate your help
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