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

LE5 Tuning

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Old 11-03-2016, 05:43 PM
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LE5 Tuning

So I've finally started tuning my LE5. I have had my LNF apart for a bit now so I decided to play around with my other car. I have only done 2 tunes / logs so far and already it has picked up a lot of torque and throttle response so I am very happy. I believe I have also gained a bit of power up top but it's so slow anyways it's really hard to tell. I was hoping to have an intake on it as well for this process but I couldn't get one delivered before I was to leave for my trip. I'm not looking for much out of this just wanted to start tuning LE5s and gain a bit of power from my DD. I will be doing the tune on Jon's GTX3076r LSJ in the spring but that is quite some time away.
Old 11-03-2016, 07:18 PM
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What are you tuning? Mostly spark advance or some cam stuff too?
Old 11-03-2016, 07:50 PM
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I did the torque tables doing MAF and AFR currently then I'll be moving on to timing and cam tables. I need to build and improve on my scanner too.
Old 11-03-2016, 09:16 PM
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What torque tables?
Old 11-04-2016, 03:28 PM
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All the ones that limit the car down low.
Old 11-04-2016, 08:43 PM
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What program are you using?
Old 11-04-2016, 08:53 PM
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HPtuners
Old 11-04-2016, 11:42 PM
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I think he meant the torque management. Or hes still talking lnf talk lol

And yes, we will be getting my pos car up and running after a few slight modifications that need to be done this winter
Old 11-05-2016, 10:38 AM
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Tq managment = every table maxed out
Old 11-05-2016, 11:42 AM
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Are you using a wide band or just the narrow band for AFR?
Old 11-05-2016, 01:11 PM
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Originally Posted by Slowbalt2000
Tq managment = every table maxed out
Yup. I don't have it set to 100s in my LNF tho

Originally Posted by CobiJack
Are you using a wide band or just the narrow band for AFR?
Narrow. The car is stock we will be getting a portable wideband to use eventually
Old 11-05-2016, 01:21 PM
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Originally Posted by KMO43

Narrow. The car is stock we will be getting a portable wideband to use eventually
I was just curious because I have hptuners arriving today and I wasn't sure how much I could really do with AFR and a narrow band. My car is all stock also, I want to mess around with some tables to get the feel of it before I get the SC together.
Old 11-05-2016, 01:28 PM
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Originally Posted by CobiJack
I was just curious because I have hptuners arriving today and I wasn't sure how much I could really do with AFR and a narrow band. My car is all stock also, I want to mess around with some tables to get the feel of it before I get the SC together.
I'm happy with my results so far. I'm back home visiting so I dont have a ton of time to work on it but for now it's a noticeable improvement
Old 11-05-2016, 01:36 PM
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Originally Posted by KMO43
Yup. I don't have it set to 100s in my LNF tho
Little bit of a different story
Old 11-05-2016, 01:44 PM
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Originally Posted by Slowbalt2000
Little bit of a different story
Ya last time I was here I logged my LNF had to do 4th gear pulls so was doing 90 to 130s the LE5 can do 2nd gear pulls with no spin so makes it much easier
Old 11-05-2016, 08:18 PM
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Originally Posted by CobiJack
I was just curious because I have hptuners arriving today and I wasn't sure how much I could really do with AFR and a narrow band. My car is all stock also, I want to mess around with some tables to get the feel of it before I get the SC together.
Start with a good MAF calibration. Then bump and smooth out your timing maps.

If you're stock, there's not a ton to be had from VVT tuning. But if you want to try, make small changes and do lots of logging between to see if you are helping or hurting. It's fairly good for an all stock engine.
Old 11-05-2016, 08:23 PM
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I wouldnt touch the maf cal if youre still on the stock intake.
Old 11-05-2016, 08:24 PM
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Heres some le5 stuffs ive been doing

Just a base tune

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Old 11-05-2016, 08:35 PM
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10 degrees timing? that it?
Old 11-05-2016, 09:33 PM
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Just a base lol. Need to get some E
Old 11-06-2016, 01:11 PM
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Originally Posted by Slowbalt2000
I wouldnt touch the maf cal if youre still on the stock intake.
My trims were quite a bit off on a full stock setup a bit too much for my liking.
Old 11-06-2016, 01:24 PM
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Did you turn ve off and go maf only?
Old 11-06-2016, 02:18 PM
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Just turned off LTFTs to dial it in a bit. I haven't had much time to work on it so far but I'm happy with it so far
Old 11-06-2016, 02:41 PM
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Ve could be affecting your fuel trims too
Old 11-06-2016, 02:52 PM
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I think the massive amount of acceleration affects them!



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