08-10 SS Turbocharged General Discussion Discuss the 2008 - 2009 Chevy Cobalt SS Turbocharged. On sale since the second quarter of 2008.

no extra boost after 1500 miles?!

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Old Mar 14, 2008 | 12:20 AM
  #51  
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your so freaking lucky dude i bust it when i even think of buying my SS/TC
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Old Mar 14, 2008 | 12:22 AM
  #52  
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Originally Posted by Delta2.2
umm....u sir are wrong....they DO in fact have 2.4 HPT fully capabilities right now. ask around and check the website. they do dude, im just saying when u combine the turbo along with VVT on top of direct injection, its a lot of different variables to deal with. mainly because the cobalts one of few/if at all any that has that setup

I have been having my car custom tuned. There is no way to adjust the VVT yet. Maybe in a future release.
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Old Mar 14, 2008 | 12:23 AM
  #53  
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Originally Posted by Red2.4SS
I have been having my car custom tuned. There is no way to adjust the VVT yet. Maybe in a future release.
oooooooooo, lol my bad. i wasnt sure what u were speaking about. that makes more sense now
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Old Mar 14, 2008 | 12:24 AM
  #54  
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There are actually a couple tables that we have not been able to find. The guy working on it has been doing some binary digging, and has found what we need for now I believe.
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Old Mar 14, 2008 | 12:35 AM
  #55  
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Just look at the hp tuner website under supported vehicles, and notice that they have 06-08 2.0, 2.4 solstice/sky listed. Same motor, same computer, it will work.
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Old Mar 14, 2008 | 12:38 AM
  #56  
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What i was meaning about the Direct Injection is will the Injectors they use Max Out when people start hardcore modding them? Since it seems like a Permanent item and you cant throw in bigger ones like you could do with the SS/SC your pretty much stuck with whatever your fuel system is capable of doing stock, will it max out easily and then your just out of luck? It wont be long before people start swapping out there stock turbos for like T-70s or something and try to crank 30 psi
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Old Mar 14, 2008 | 06:30 AM
  #57  
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Originally Posted by Astyl
Thats the problem with these cars... They sem to be OVERLY computer controlled.
All modern Turbo cars are this way..

MPS
EVO
STI
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Old Mar 14, 2008 | 08:27 AM
  #58  
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Did u get a oil change and reset the oil maybe its connected to that who knows worth a shot.
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Old Mar 14, 2008 | 10:14 AM
  #59  
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Guys.. the turbo is NOT limited to 15 PSI when your under 1500 miles. Its a myth. Hurry.. somebody call the Mythbusters!
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Old Mar 14, 2008 | 10:17 AM
  #60  
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Originally Posted by DMcGrew
Guys.. the turbo is NOT limited to 15 PSI when your under 1500 miles. Its a myth. Hurry.. somebody call the Mythbusters!
So it's just his altitude that is limiting his boost to like about 15 PSI?
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Old Mar 14, 2008 | 10:24 AM
  #61  
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Originally Posted by Brian MP5T
All modern Turbo cars are this way..

MPS
EVO
STI
Yeah but those cars dont limit boost on your environment. Who cares what Atmosphere your at just let it boost 18-20psi regardless of your region, is having more power then rated a bad thing or something, appariently the guys at GM Think so if they limit boost to get exactly 260 and not a single digit over
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Old Mar 14, 2008 | 10:36 AM
  #62  
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Originally Posted by JPizzle
So it's just his altitude that is limiting his boost to like about 15 PSI?
I guess so. All I know is that there no 1500 mile limit thing.
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Old Mar 14, 2008 | 10:42 AM
  #63  
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Not trying to be rude... But how do you know there is no 1500 mile limit?
I don't know if there is one or not... I'm just wondering.

Edit: Because you have an HHR/SS? How much PSI are you getting?
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Old Mar 14, 2008 | 10:49 AM
  #64  
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Originally Posted by JPizzle
So it's just his altitude that is limiting his boost to like about 15 PSI?
Originally Posted by JPizzle
Not trying to be rude... But how do you know there is no 1500 mile limit?
I don't know if there is one or not... I'm just wondering.

Edit: Because you have an HHR/SS? How much PSI are you getting?
I am getting right around 15. Reason I know is because there are people over on the HHR forums that saw no increase in PSI after 1500 miles.
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Old Mar 14, 2008 | 11:02 AM
  #65  
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Originally Posted by DMcGrew
I am getting right around 15. Reason I know is because there are people over on the HHR forums that saw no increase in PSI after 1500 miles.
Yea... I see.
chevyhhr . net ??
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Old Mar 14, 2008 | 11:15 AM
  #66  
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yep.
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Old Mar 14, 2008 | 07:17 PM
  #67  
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its actually got 263
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Old Mar 14, 2008 | 10:04 PM
  #68  
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Originally Posted by EthensCobalt
its actually got 263
What?
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Old Mar 15, 2008 | 01:11 AM
  #69  
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limit boost to get exactly 260 and not a single digit over its 263 according to the guy i spoke with today about the car they are getting in april
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Old Mar 15, 2008 | 10:33 AM
  #70  
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Originally Posted by EthensCobalt
limit boost to get exactly 260 and not a single digit over its 263 according to the guy i spoke with today about the car they are getting in april
Maybe it's because GM brought the HP/TQ right up to the posted limits of the tranny? Another thought is that GM states it can reach 20 psi of boost .... but maybe thats in altitudes where it will take 20 psi to make 260-263 hp?
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Old Mar 15, 2008 | 10:47 AM
  #71  
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this car is weak
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Old Mar 15, 2008 | 11:05 AM
  #72  
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this cars getting worse and worse, it has a maxed out tranny stock and the Moddability is Horrendous.

One proven fact is that the fuel system is UnImprovable, so you can only mod up until you need fuel system upgrades then your outta luck and thats all you get
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Old Mar 15, 2008 | 11:11 AM
  #73  
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People keep talking about the great lnf technology when hpt unlocks it HAHAHAHA good one.
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Old Mar 15, 2008 | 02:33 PM
  #74  
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Originally Posted by Darkmanx
People keep talking about the great lnf technology when hpt unlocks it HAHAHAHA good one.
Just FYI, HPT has already unlocked and released the LNF tune for the Sol/Sky. Check their website.

Originally Posted by Astyl
this cars getting worse and worse, it has a maxed out tranny stock and the Moddability is Horrendous.

One proven fact is that the fuel system is UnImprovable, so you can only mod up until you need fuel system upgrades then your outta luck and thats all you get
The fuel system is upgradeable, it is just that nobody has any replacement parts at the moment. The hardest part will be replacing the injectors, since they have a special tool to do that, and even a lot of dealerships don't have em.

The aftermarket will come once they see enough people pushing 300+, and willing to take a risk at upgrading things.
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Old Mar 15, 2008 | 09:13 PM
  #75  
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Im kinda thinking this "break in" boost level is a internet myth . I have yet to see one factual document that says a LNF pcm limits boost for a break in period at xxxxxx miles . If that were the case , if that were the case GM's legal department woulda made damn sure it was spelled out in plain english that your car will not make full power until xxxx miles are driven .

I think what ya got is what get ...could be wrong .
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