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Old 07-07-2013, 01:21 AM   #1
2ssx2
 
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Concerned about performance.

I could not perform for my wife today. Haha
I went out too the drag strip today for my birthday and made 2 passes on my car for the first time.

My numbers are as posted:
R/t .256
60ft 2.103
1/8 8.58
1/4 12.9 @111.5

I realize I can get my 60ft times way down and that is driver/ tire issues but even then I do not believe this car is performing the way it should.
I have a 2013 ls3 with an edelbrock supercharger,NPP exhaust and Jennety tuned.

Need some advice on the car performance.
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Old 07-07-2013, 08:58 AM   #2
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Stick?

Try different shift points.
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Old 07-07-2013, 10:48 AM   #3
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Stick?

Try different shift points.
Yea he said LS3. What are you shifting at rpm wise? What are you launching at? With those mods you should be way quicker.
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Old 07-07-2013, 10:55 AM   #4
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Quote:
Originally Posted by 2ssx2 View Post
I could not perform for my wife today.
What does that have to do with your car?
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Old 07-07-2013, 11:35 AM   #5
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Should definitely be faster than what you're showing. Times could also be effected by weather? What were the weather conditions, track elevation? Track location?
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Old 07-07-2013, 12:13 PM   #6
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The track elevation is 400ft. And the air temperature was around 75.
I am launching around 2800 rpm. I used to drag my cobalt SS quite often so I am familiar with the track. My cobalt would trap speeds of 115 plus and spinning down the track.
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Old 07-07-2013, 12:21 PM   #7
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what kinda boost u running ?
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Old 07-07-2013, 12:42 PM   #8
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I do not have a boost gauge but based on the data log conversion I am running about 6.8.
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Old 07-07-2013, 12:44 PM   #9
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That's strange I would at least expect your trap speed to be higher. You are running what a stock 1LE would run.
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Old 07-07-2013, 12:56 PM   #10
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That is exactly what I am thinking. It is like the supercharger is not there. The trap speed should be way way higher. Even spinning in first and second. I have done several data logs in the past and finally gave up. I noticed KR quite a bit with a 92 octane tune and our gas here is 93. I did some testing by throwing octane boost in the car and data logging again. The KR went down significantly proving to me the assholes around here are not putting 93 octane In there tanks.
Some days the car feels pretty fast and some days not so much. I feel like I wasted my money on the supercharger and maybe the car. I am a little frustrated
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Old 07-07-2013, 12:56 PM   #11
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Quote:
Originally Posted by 2ssx2 View Post
I could not perform for my wife today. Haha
I went out too the drag strip today for my birthday and made 2 passes on my car for the first time.

My numbers are as posted:
R/t .256
60ft 2.103
1/8 8.58
1/4 12.9 @111.5

I realize I can get my 60ft times way down and that is driver/ tire issues but even then I do not believe this car is performing the way it should.
I have a 2013 ls3 with an edelbrock supercharger,NPP exhaust and Jennety tuned.


Need some advice on the car performance.

60ft is hurting your ET quite a bit but your mods should be pulling more mph than 111.5?? Have you data logged your runs? Tune could be off? What was the DA on that run?
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Old 07-07-2013, 01:21 PM   #12
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What was your rwhp results?
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Old 07-07-2013, 01:28 PM   #13
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60ft is hurting your ET quite a bit but your mods should be pulling more mph than 111.5?? Have you data logged your runs? Tune could be off? What was the DA on that run?
I did not data log the runs but will do that on Friday.
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Old 07-07-2013, 01:31 PM   #14
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What was your rwhp results?
Car has never been on a dyno but conservatively speaking shoul be around 490 rwhp i would think
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