2.0L LNF Performance Tech 260hp and 260 lb-ft of torque Turbocharged tuner version.

Stock Turbo PSI??????

Old 10-19-2010, 05:49 AM
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Stock Turbo PSI??????

Just trying to fiqure out what the bone stock PSI is on the Cobalt SS/TC Turbo. Please Help cant find.


Thanks in advance

Last edited by Whitewolfs26; 10-19-2010 at 06:29 AM.
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Old 10-19-2010, 07:22 AM
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Originally Posted by Infantryarmy09 View Post
Just trying to fiqure out what the bone stock PSI is on the Cobalt SS/TC Turbo. Please Help cant find.


Thanks in advance
Stock, mine boosted at 14-15 psi. Peaked at around 17 psi.
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Old 10-19-2010, 07:37 AM
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i usually see +1 or -1 of 15 psi
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Old 10-19-2010, 07:50 AM
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Thanks Everyone
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Old 10-19-2010, 07:07 PM
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ya thats how mine was to, and depending on the weather it can go under that and up to 20psi sometimes.
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Old 10-19-2010, 07:16 PM
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same here right around 15 psi.

is it true that stock cobalts in lets say FL boost at like 23 stock?
i dont know where i heard that but i remember someone telling me that.
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Old 10-19-2010, 07:19 PM
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Originally Posted by Turbalt2010 View Post
same here right around 15 psi.

is it true that stock cobalts in lets say FL boost at like 23 stock?
i dont know where i heard that but i remember someone telling me that.
never happened for me, I think I was getting 17psi stock.
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Old 10-19-2010, 08:07 PM
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Originally Posted by Turbalt2010 View Post
same here right around 15 psi.

is it true that stock cobalts in lets say FL boost at like 23 stock?
i dont know where i heard that but i remember someone telling me that.
Not true. First off the boost wont be the same all the time. On a hot day 15-17 is normal and on cold days, like sub 80*, I can see 13 psi. The car adjusts accordingly
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Old 10-19-2010, 08:15 PM
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ohh i gotcha.
sounds good.
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Old 10-20-2010, 09:51 AM
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yeah 17 in fl
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Old 10-20-2010, 09:54 AM
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16.5 PSI is what I consistently ran stock.
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Old 10-20-2010, 10:09 AM
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Yeah the ECU will adjust boost accordingly to achieve the power its rated at of 260. As stated, on a hot day it will boost more to achieve those numbers whereas on a cold day it will be less.
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Old 10-20-2010, 10:15 AM
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i boosted 9psi on a really cold day once.
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Old 10-20-2010, 03:22 PM
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normally mine hangs around 15 below 75, seems to creep up to 17.8 as you get to 92 or so and then goes back to 15 over 95ish, at 6000ft altitude i see 17.8 and i've seen 13.2 when it was in the 40's
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Old 10-20-2010, 03:29 PM
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I had about 12 psi or so but I am at mile high.
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Old 10-20-2010, 07:38 PM
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I swear I've gotten to 20psi before, but when I recorded it, it was 17-18psi.
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Old 07-26-2011, 07:55 PM
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Can someone please explain to me how I get 20-25 psi everytime??? I bought this used so maybe the previous owner put the GM stage 1 kit on?
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Old 07-26-2011, 08:57 PM
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ya u got some kinda tune on that, stage1 or something else.
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Old 07-26-2011, 09:10 PM
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Originally Posted by SpartacusXElite View Post
Can someone please explain to me how I get 20-25 psi everytime??? I bought this used so maybe the previous owner put the GM stage 1 kit on?
Originally Posted by tomj77 View Post
ya u got some kinda tune on that, stage1 or something else.
^wut he said
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Old 07-26-2011, 09:19 PM
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as low as 13 in the winter and as high as 19 in the summer heat
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Old 07-26-2011, 10:13 PM
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so it boosts higher in the heat?

Im guessing when you punch it, the highest number the gauge goes to is what you guys are talking about, correct?
sorry, im new to turbos....lol
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Old 07-26-2011, 10:23 PM
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Originally Posted by AARON-SS-TC View Post
so it boosts higher in the heat?

Im guessing when you punch it, the highest number the gauge goes to is what you guys are talking about, correct?
sorry, im new to turbos....lol
hot air is less dense so the pcm will tell the car to push more manifold pressure to be able to still achieve 260tq/hp

and yes the number on the boost gauge
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Old 07-26-2011, 10:48 PM
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Originally Posted by AARON-SS-TC View Post
so it boosts higher in the heat?

Im guessing when you punch it, the highest number the gauge goes to is what you guys are talking about, correct?
sorry, im new to turbos....lol
The highest number it hits on the boost gauge would be what it spikes to then whatever it falls down to is the regular boost. Most likely will be around 15 psi on a stock tune.
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Old 07-26-2011, 10:53 PM
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Originally Posted by SpartacusXElite View Post
Can someone please explain to me how I get 20-25 psi everytime??? I bought this used so maybe the previous owner put the GM stage 1 kit on?
what are you holding. 25psi spike and holding 20psi
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Old 07-26-2011, 11:15 PM
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when i go WOT, it goes around 9-15, then when it drops it goes to 14-20
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