2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

S2 and stock shift light

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Old Jul 30, 2007 | 05:23 AM
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S2 and stock shift light

Well everytime i floor 2nd gear and up when i come to redline i get the shift light...the thing is i shift at 6700 and not 7k and the shift light comes on everytime i shift from one gear to another...is it normal,or am i just shifting to fast...when i go slow it down it doesnt come on,but when i shift real fast(I DO LET GO OF GAS)and light goes on and im already in the next gear...it cant keep up with my shifting...how do i fix it besides shiftin slower
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Old Jul 30, 2007 | 05:25 AM
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Originally Posted by DBrown510
Thats wierd...... Most shift lights dont work on the 2.0
mine never worked until i got the s2...
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Old Jul 30, 2007 | 05:26 AM
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Don't they signal the optimum shift point for fuel consumption?
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Old Jul 30, 2007 | 05:29 AM
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Originally Posted by coleryley
Don't they signal the optimum shift point for fuel consumption?
so are u sayin i should shift around 6500 to avoid the light

i beleive one owner on here blew his piston when the shift light went on..i beleive he bounced of redline(7k)light engaged and he shifted and that was it...i dont want that happenin to me
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Old Jul 30, 2007 | 05:31 AM
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you guys have shift lights?!?
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Old Jul 30, 2007 | 05:36 AM
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Originally Posted by Super_SS
so are u sayin i should shift around 6500 to avoid the light

i beleive one owner on here blew his piston when the shift light went on..i beleive he bounced of redline(7k)light engaged and he shifted and that was it...i dont want that happenin to me
Sorry bro had nothing, was just trying to throw an idea out there and see what took.
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Old Jul 30, 2007 | 05:37 AM
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Originally Posted by 06blackSC
you guys have shift lights?!?
Answer my question guys..i dont want to be rebuildin my motor cuz i shift to ****** fast....my srt loved it,but i dont knw if the cobalt loves it...this is gayyyyyyyyyyyyy
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Old Jul 30, 2007 | 07:15 AM
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You got a problem somewhere because on the LSJ, the shift light should only be coming on when you hit dangerous over rev conditions.
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Old Jul 30, 2007 | 10:01 AM
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Originally Posted by Super_SS
Answer my question guys..i dont want to be rebuildin my motor cuz i shift to ****** fast....my srt loved it,but i dont knw if the cobalt loves it...this is gayyyyyyyyyyyyy
CHILL OUT its nothing to worry about it its just a light a dont think anything interanally is wrong with the car and something does happen its still under warraty right?
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Old Jul 30, 2007 | 10:06 AM
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never heard or the light coming on after getting staged, something must be up, id get that checked out
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Old Jul 30, 2007 | 10:10 AM
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Like said before that light should only come on, on an LSJ when the car is over-revved. The shift light on these cars for fuel cosumption purposes is deactivated. Our tachs are slow, I usaully shift about 200 rpm's before redline which I have found to be right at redline when at WOT in a low gear.

If your just Stage II though you shouldnt be getting that light to come on, you should hit the fuel cut at 7000 rpm maybe a hair over. I would have them look at it if its under warranty just, cant hurt.

Also just get a shift light and set it for 7000 to help from hitting the fuel cut.

Last edited by cobi; Jul 30, 2007 at 01:31 PM.
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Old Jul 30, 2007 | 01:17 PM
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I'd set an aftermarket shift like for about 6700 or 6800rpm, depending on how fast you are at clutching. If you set it at 7000rpm it won't do you any good since you'll be hitting the fuel cutoff when the light clicks on.
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Old Jul 30, 2007 | 01:25 PM
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I saw mine appear once at the track. Bounced the limiter hard when shifting between 2nd and 3rd. Haven't seen it any other time.
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Old Jul 30, 2007 | 01:28 PM
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You over reved your engine. At WOT in the lower gears, the fuel cut off will react as slow as the tach. People have seen revs as high as 7600rpm with the fuel cut off set at 7000~7100rpm. Gotta watch out in 1st and 2nd.
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Old Jul 30, 2007 | 01:28 PM
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Originally Posted by cobi
Like said before that light should only come on, on an LSJ when the car is over-revved. The shift light on these cars for fuel cosumtion purposes is deactivated. Our tachs are slow, I usaully shift about 200 rpm's before redline which I have found to be right at redline when at WOT in a low gear.

If your just Stage II though you should be getting that light to come on, you should hit the fuel cut at 7000 rpm maybe a hair over. I would have them look at it if its under warranty just, cant hurt.

Also just get a shift light and set it for 7000 to help from hitting the fuel cut.
Agreed!

The "Shift" light you are talking about is actually an "Engine Overspeed" light. It tells when your engine is about to give up, lol.

I hit that once in the middle of my shift my RPM's went to 7300 and thats when it hit it. Why yours is going off??? Thats a mistery.

I dont think I would worry about it if your shifting at 6800 because these cars are rated to safely shift at a little over 7000.
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Old Jul 30, 2007 | 01:30 PM
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From: N. Side Chi-Town
well i did notice when i shift little earlier it wont come off....looks like i have to shift at 6600 to prevent the light from comin on
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Old Jul 30, 2007 | 01:32 PM
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Originally Posted by Super_SS
well i did notice when i shift little earlier it wont come off....looks like i have to shift at 6600 to prevent the light from comin on
somethings not right then, take it to the dealer
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Old Jul 30, 2007 | 01:32 PM
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Originally Posted by Super_SS
Well everytime i floor 2nd gear and up when i come to redline i get the shift light...the thing is i shift at 6700 and not 7k and the shift light comes on everytime i shift from one gear to another...is it normal,or am i just shifting to fast...when i go slow it down it doesnt come on,but when i shift real fast(I DO LET GO OF GAS)and light goes on and im already in the next gear...it cant keep up with my shifting...how do i fix it besides shiftin slower
can i not read, or did you just say you have a shift light that came stock?
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Old Jul 30, 2007 | 01:35 PM
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Originally Posted by chevysalesman614
can i not read, or did you just say you have a shift light that came stock?
yup...top right corner next to the gas gauge...

so ur sayin i should take the car to the shop to have them check it out...might have problems with my tune or something wrong with the fuel?i do have 104 octane in the tank...so i dont knw is that the problem
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Old Jul 30, 2007 | 01:36 PM
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Gotta read the rest of the thread chevy. He is talking about the over rev light.
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Old Jul 30, 2007 | 01:37 PM
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Originally Posted by InfinityzeN
Gotta read the rest of the thread chevy. He is talking about the over rev light.
oh. i see, i thought i got jipped out of a shift light
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Old Jul 30, 2007 | 01:38 PM
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And 104 octane won't hurt anything unless it is leaded. Anything above around 93~94 octane will perform the same as 93~94 octane. Oh, the reason for that is Stage 2 is tuned for that octane range.
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Old Jul 30, 2007 | 01:38 PM
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Originally Posted by Super_SS
yup...top right corner next to the gas gauge...

so ur sayin i should take the car to the shop to have them check it out...might have problems with my tune or something wrong with the fuel?i do have 104 octane in the tank...so i dont knw is that the problem
Are you tuned to run on 104 octane?
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Old Jul 30, 2007 | 01:38 PM
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Originally Posted by chevysalesman614
can i not read, or did you just say you have a shift light that came stock?
lol. Seems that way. But its a "Engine Overspeed" light, lol.

He just thinks it cant keep up with him, its just in the middle of his shift when the RPM's jump right when you let off the clutch. Thats when its happening.
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Old Jul 30, 2007 | 01:39 PM
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Originally Posted by chevysalesman614
oh. i see, i thought i got jipped out of a shift light
Sa'all good man. I've miss read stuff and felt stupid after posting plenty of times.
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