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

top speed wtf

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Old 07-26-2010, 02:20 PM
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top speed wtf

ok i know doing top speed runs is retarded but i just had to see if my car would do it so i went out last night and all i could hit was 140 wtf i could hit that before my stage 2 from ottp is it just a **** tune or what is the deal dont flame me for doing a top speed run i know its dumb but i never thought there was much of a difference after stage 2 and now i really dont i see stock cars hitting 155
Old 07-26-2010, 02:28 PM
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Need a bigger hill maybe?
Old 07-26-2010, 02:31 PM
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hahah funny yeah i had a flat stretch of road for it
Old 07-26-2010, 02:32 PM
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Take off your wing and front lip. Too much downforce!!!!!!!!
Old 07-26-2010, 02:55 PM
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can someone give me a serious answer i cant believe that the tune could be this bad idk
Old 07-26-2010, 03:14 PM
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Mine will run 150+ mph pretty easily. I was dyno tuned with HP Tuners. Another guy got dynoed at the same place with the same tune you are using and only laid down 210 whp. We raced our cars to verify. Imo, you need to start with your tune.
Old 07-26-2010, 03:22 PM
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quite possible that they didnt remove the speed limiter oronly up'd it to 140

i can hit more than 140 with my tune from zzp

Last edited by coopercharge; 07-26-2010 at 03:22 PM. Reason: Automerged Doublepost
Old 07-26-2010, 03:29 PM
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I hit over 150 on the GM stage 2 tune. I doubt the tune he has now limits him to 140.
Old 07-26-2010, 03:41 PM
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anything is possible. Everything is controlled by the computer so If he cant hit higher than 140 at WOT then theres an issue with the tune generally speaking.

that and that was with a gm stage 2 tune, ottp's tune is similar but they still control every change on that computer they may not have taken the speed limiter off.

Last edited by coopercharge; 07-26-2010 at 03:41 PM. Reason: Automerged Doublepost
Old 07-26-2010, 03:42 PM
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My car is stage 2 and only hits 140 too :/.

Anyone know where I could get a tune in vegas?

Last edited by jsscriado; 07-26-2010 at 03:42 PM. Reason: Automerged Doublepost
Old 07-26-2010, 03:43 PM
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that and the gm stage 2 tune is different than the OTTP stage 2 tune.
Old 07-26-2010, 03:43 PM
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The last two who posted, GM stage 2, or other stage 2?
Old 07-26-2010, 03:48 PM
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I have a zzp stage 3 tune.
Old 07-26-2010, 04:13 PM
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Uhh is the stock limiter really to only 140? I had no idea we even had one. I've gotten 145 out of mine and its bone stock.
Old 07-26-2010, 04:15 PM
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Could be a myriad of things limiting your top speed.
1. Canned tune could be way off.
2. Heat soak
3. Wind/drag coefficient
4. altitude / humidity
Old 07-26-2010, 04:17 PM
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Mine only hits 140 as well. I'm pretty sure they have a limiter on them. Cuz it gets to 140 no prob. then just stops climbing.
Old 07-26-2010, 04:21 PM
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Careful, I hit 157 and blew my head gasket.

Ha, was install issue with ported head lol

Originally Posted by 06yellowburdSS
Uhh is the stock limiter really to only 140? I had no idea we even had one. I've gotten 145 out of mine and its bone stock.
Stock limiter has been covered many MANY times. 158 cut off. fuel back in at 155

Last edited by WickedSS2005; 07-26-2010 at 04:21 PM. Reason: Automerged Doublepost
Old 07-26-2010, 04:47 PM
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My car just stops at 140 thats it. I'm not sure because when I bought it it was this way. I'm going turbo but not until i finish paying the car off but I'm getting a zzp stage 3 kit soon just to make it a little faster until i go turbo.
Old 07-26-2010, 04:49 PM
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Originally Posted by blake05SS
ok i know doing top speed runs is retarded but i just had to see if my car would do it so i went out last night and all i could hit was 140 wtf i could hit that before my stage 2 from ottp is it just a **** tune or what is the deal dont flame me for doing a top speed run i know its dumb but i never thought there was much of a difference after stage 2 and now i really dont i see stock cars hitting 155
What kind of wheels and tires do you have on this car?
Old 07-26-2010, 04:49 PM
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Originally Posted by Omega1x
Mine only hits 140 as well. I'm pretty sure they have a limiter on them. Cuz it gets to 140 no prob. then just stops climbing.
Yeah I want to know if it has to do with a tune? Cause I know stock cobalt ss hits 140. Could it be the rev limiter? Because mine stops on 5th gear.
Old 07-26-2010, 04:50 PM
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140.... i would be pissed.
Old 07-26-2010, 05:24 PM
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Originally Posted by jsscriado
. Could it be the rev limiter? Because mine stops on 5th gear.
I don't understand. What stops in 5th gear exactly?

Where is your rev limit set?
Old 07-26-2010, 05:56 PM
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Originally Posted by Stone629
I don't understand. What stops in 5th gear exactly?

Where is your rev limit set?
I don't remember it's been a while. All I know is I get stuck at 140 like he does too.
Old 07-26-2010, 06:02 PM
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Ive only got my lt up to 185kph before i had to slow down
Old 07-26-2010, 07:25 PM
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yeah mine pulls through 4th then 5 has nothing i actually lose speed after i shift limiters are at 155 i thought i have MSR 045's i think they are and i have zeon zpt tires i think it has more to do with my tune tho and i dont know where to go around here to get it tuned i live in southern mn my rev limiter is set to 7 grand


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