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

Safe Boost PSI

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Old Apr 5, 2011 | 04:55 AM
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Safe Boost PSI

So im about to get tuned w/ a KNN SRI and Bad Mab Downpipe, my and RyRidesMotoX were trying to decide what would be a safe PSI to run with eveything else being stock (IC, Chargepipes) Thoughts?
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Old Apr 5, 2011 | 04:58 AM
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From what I've read 21psi seems to be the most you should run
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Old Apr 5, 2011 | 05:01 AM
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Originally Posted by boost_junkie16
From what I've read 21psi seems to be the most you should run
Thats what we were thinking but I would like to run 22
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Old Apr 5, 2011 | 05:08 AM
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Is 1 more psi really worth it? You'll hardly notice the difference
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Old Apr 5, 2011 | 06:04 AM
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You shouldnt have any problem on 22 psi if the tune is right.
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Old Apr 5, 2011 | 06:07 AM
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The GM tune puts you at 23 max psi. People run aftermarket tunes up to 28psi without issue. The more boost the more pressure you are putting on your motor literally. Your running a risk anytime you put an aftermarket tune on your car no matter what the psi it's part of the game.
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Old Apr 5, 2011 | 06:09 AM
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I would recommended sticking with tunes a lot of other people have used.....GMS or Trifecta that's just me.
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Old Apr 5, 2011 | 12:10 PM
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I'm at sorta the same place, in that I want a tune for the improved performance, but I want it to be "safe" for the car. The max number I settled on is 22psi.

There's a fair number of stories of blown motors and whatnot on here, and the recurring theme seems to be 23psi or higher. It's all anecdotal, so take it how you like, but 22psi is the max I'll be going without a major rebuild.
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Old Apr 5, 2011 | 12:13 PM
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I run 23 thru trifecta and my stock intercooler has held up for over a year but just bought a intercooler
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Old Apr 5, 2011 | 12:25 PM
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Originally Posted by brainchasm
I'm at sorta the same place, in that I want a tune for the improved performance, but I want it to be "safe" for the car. The max number I settled on is 22psi.

There's a fair number of stories of blown motors and whatnot on here, and the recurring theme seems to be 23psi or higher. It's all anecdotal, so take it how you like, but 22psi is the max I'll be going without a major rebuild.
This.
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Old Apr 5, 2011 | 12:28 PM
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um....STOCK?
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Old Apr 5, 2011 | 12:35 PM
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eric as long as its a good tune youll be fine with your boost goals. you doin trifecta or hpt?
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Old Apr 5, 2011 | 12:55 PM
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If GM considered 23 safe you will be fine doing 23 through an aftermarket quality tune.
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Old Apr 5, 2011 | 12:59 PM
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Hopefully GM looks into a stage 2 for the TC.
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Old Apr 5, 2011 | 01:09 PM
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Ok a k04 can be ran at 30lbs bit its not effiecient and nor will. Stock charge pipes and the stock ic end tanks last.long with that boost. A safe reliable tune would be 22lbs-23. 24 is fine its just out of effieciency. I ask my customers what they want how much boost and ect then i give my point. Boost is not everything.... I know of people who run the k04 at 30lbs is it good no does it create power yes. Theres more into running boost then just boost. Like are ure idcs good, are you getting kr, how much timing, do u have a boost spike and ect. So if op is asking what the safests legit boost is on a stock block ill say 22-24 depending on supporting mods..
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Old Apr 5, 2011 | 01:12 PM
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I would agree with that.
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Old Apr 5, 2011 | 01:13 PM
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Originally Posted by chrisv8321
Hopefully GM looks into a stage 2 for the TC.
there will be none such thing
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Old Apr 5, 2011 | 01:19 PM
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I would be surprised if they don't eventually.
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Old Apr 5, 2011 | 01:25 PM
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Originally Posted by chrisv8321
I would be surprised if they don't eventually.
Our platform is dead to GM. Trust us. it's been discussed time and time again.

The restructuring killed GM Stage 2 plus the death of cobalt production doesn't help either.
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Old Apr 5, 2011 | 01:27 PM
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Well I'm going to hold on to the thought that they will release there is a profit in it and do it. If not I'll be looking up an after market tune sooner or later anyways.
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Old Apr 5, 2011 | 01:32 PM
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People have blown up stock cars. Its all in how you car for and drive your car
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Old Apr 5, 2011 | 01:34 PM
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I can't imagine what they did that I haven't tried. I do give her some good maintenance though haha.
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Old Apr 5, 2011 | 03:51 PM
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Originally Posted by chrisv8321
Well I'm going to hold on to the thought that they will release there is a profit in it and do it. If not I'll be looking up an after market tune sooner or later anyways.
there has never been a part released after a car's death unless it was a crate engine for hot rod types. the LNF is dead..end of story. Stage 2 is just a intake anyway. So get the k&n sri and call it a day.

Originally Posted by chrisv8321
I can't imagine what they did that I haven't tried. I do give her some good maintenance though haha.
bad nls and launch controls over and over tune and boom's. As for stock there are bound to be some stock motors blowing, there is and always will be on every car.

Last edited by northvibe; Apr 5, 2011 at 03:51 PM. Reason: Automerged Doublepost
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Old Apr 5, 2011 | 08:19 PM
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Originally Posted by boost_junkie16
From what I've read 21psi seems to be the most you should run
where did u read that? cause no one says that, what everyone says is nothing over 24 psi. stick with 22 or 23 psi to be safe
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Old Apr 5, 2011 | 08:21 PM
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Originally Posted by chrisv8321
The GM tune puts you at 23 max psi. People run aftermarket tunes up to 28psi without issue. The more boost the more pressure you are putting on your motor literally. Your running a risk anytime you put an aftermarket tune on your car no matter what the psi it's part of the game.
and most everyone who go to 28psi end up with ringland fail
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