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

lnf hahn s20g dyno

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Old 08-26-2012, 12:03 PM
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Originally Posted by c130aviator
I apologize, I stand corrected. I misunderstood what Bill Hahn told me.
No problem, I believe for the LSJ maybe it does come with a manifold.. It should! lol
Old 08-26-2012, 02:50 PM
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Originally Posted by Fastgti69
No problem, I believe for the LSJ maybe it does come with a manifold.. It should! lol
My turbo lsj is a Hahn stage 5, yeah it came with manifold.
Old 08-26-2012, 09:28 PM
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Originally Posted by c130aviator
My turbo lsj is a Hahn stage 5, yeah it came with manifold.
Old 08-26-2012, 10:38 PM
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Im gonna retune soon on e85 an 23 psi, with
A tune that actualy is good! So lets see
Old 08-26-2012, 10:48 PM
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why cant you just do a 26psi 93 tune? thats what hahn tested it on and got 421whp...anyways, gl
Old 08-26-2012, 11:27 PM
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and you'll find out that Hahn lied. Lol this turbo isn't a great upgrade.

Yoan if it made 350whp, would you have been happy? Should have gone to the dyno in the morning
Old 08-26-2012, 11:40 PM
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umm, how is not a great upgrade when even james got 400whp outta it and it was on 91/89 gas???

Debating is fine, u just gotta state some facts so people understand why
Old 08-26-2012, 11:44 PM
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Originally Posted by jonathan923
i made more power on less boost. But X tunned me so idk...



you were there when i dynoed 340whp+ on 17psi that it was. i know for sure it was less than 20psi because i had my stock boost gauge and it was always 2 lines under 20psi


are you mad at the power you made or because your car doesnt feel fast laz?

Last edited by Darkmanx; 08-26-2012 at 11:50 PM.
Old 08-26-2012, 11:50 PM
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Originally Posted by AARON-SS-TC
umm, how is not a great upgrade when even james got 400whp outta it and it was on 91/89 gas???

Debating is fine, u just gotta state some facts so people understand why
I'm sorry but if you really believe that James threw any 89 octane in that car, your high off your ass. And he said the timing was so high that it was knocking on the dyno. Making 390whp on a tune that will blow on constant use at 26psi is junk...
Old 08-27-2012, 12:09 AM
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Originally Posted by BLAZIN07SS
Italianjoe1 is tuning him. Quite an accompished tuner himself. He dialed in my car when i made the switch to e85.
that cracka is still around?
Old 08-27-2012, 12:12 AM
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Originally Posted by Area47
that cracka is still around?
check your email FOO
Old 08-27-2012, 12:24 AM
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josh just mad cause he aint got a hahn 20g, that pushing 328whp on 21 psi, ill trade setups when ever
Old 08-27-2012, 12:34 AM
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Originally Posted by Darkmanx
check your email FOO
i did **** wad

Originally Posted by lazaro
josh just mad cause he aint got a hahn 20g, that pushing 328whp on 21 psi, ill trade setups when ever
id be pissed that my turbo swapped lnf puts down what a base 22psi bolt on k04 car does
Old 08-27-2012, 12:34 AM
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Originally Posted by AARON-SS-TC
why cant you just do a 26psi 93 tune? thats what hahn tested it on and got 421whp...anyways, gl
i have E85 fairly close to me and why run more boost, just add timing and go.
Old 08-27-2012, 12:37 AM
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Originally Posted by Darkmanx


are you mad at the power you made or because your car doesnt feel fast laz?
lol both i brake boost the car at 40let off the brake and it feels like i have radials! **** docent even spin

Yoan cobalt 20g pull - YouTube
look this is recent my car

Last edited by lazaro; 08-27-2012 at 12:37 AM. Reason: Automerged Doublepost
Old 08-27-2012, 02:20 AM
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^^ that looks pretty fast dude.
Old 08-27-2012, 02:25 AM
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Originally Posted by lazaro
lol both i brake boost the car at 40let off the brake and it feels like i have radials! **** docent even spin

Yoan cobalt 20g pull - YouTube
look this is recent my car
I only have a couple of vids of my car so far but I have a similar video just not to 140. 40-60 mph was instant. When I data logged it was 15 psi and 85 percent throttle according to HPTuner Scan. I was too scared on wet roads to really get on it but it was similar to yours on bald nankangs...

Old 08-27-2012, 10:55 AM
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it looks fast but should be faster, my e47 speedometer moved alot quicker
Old 08-27-2012, 11:13 AM
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i was stating going to 26psi because that is what hahn used, and james said that is what it could be up to on our stock fuel systems...some turbos need higher boost just to get going, and since it is bigger than stock, it may need more boost to work properly...

As far as the comment about james, why dont you ask about the turbo and what he puts down with it rather than me posting stuff on here. he said he had slight knock because it was **** gas dude(Blazin), so it is what it is...No need on debating about the silly stuff...i think Yoan can be @ or over 400whp with the right tune and 93 gas, and James basically said the same thing on my thread a few days ago....
Old 08-27-2012, 11:20 AM
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Old 08-27-2012, 11:31 AM
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Originally Posted by AARON-SS-TC
i was stating going to 26psi because that is what hahn used, and james said that is what it could be up to on our stock fuel systems...some turbos need higher boost just to get going, and since it is bigger than stock, it may need more boost to work properly...

As far as the comment about james, why dont you ask about the turbo and what he puts down with it rather than me posting stuff on here. he said he had slight knock because it was **** gas dude(Blazin), so it is what it is...No need on debating about the silly stuff...i think Yoan can be @ or over 400whp with the right tune and 93 gas, and James basically said the same thing on my thread a few days ago....
i know all about the turbo, trust me. again, your high off your ass if you think james is going to put 89 in the tank for a dyno pull. sounds like someone wasn't happy with the numbers...
Old 08-27-2012, 11:43 AM
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moar pop corn please...
Old 08-27-2012, 11:46 AM
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i just dont understand why a very reputable tuner on here would lie about something, especially like that. He did say that turbo was a little hard to tune, but he still made good numbers on 24psi/gas regardless....
i just think you guys should try 26psi on 93 like hahn did, then make you assumptions then...hell, hahn was on a trifecta tune as well, so i know we can get better numbers than them...


oh and btw, im a 32 year old grown man, so i dont get high brother...lol
Old 08-27-2012, 11:59 AM
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will see, when i tune on e47, see what numbers it throws the corn helps alot
Old 08-27-2012, 12:04 PM
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Really? I put in 91/89 octane because not everyone has 93 or 91 for that matter. I never dynoed the Hahn 20g on my car till this last time. And before it was the 25g with a 61mm. But te turbo does push enough flow for 400whp in fact it pushes enough air for 425-450whp 450/500chp. Depending on how the tune is setup.


Here are the factors that I've said many times

Tune I did was 26 spike 24 steady (easy to understand)
Fueling 89/91 octane. Indiana gas which is no lower then e10 mix
Timing midrange at 3k 16* and top was 21-22* I did this only for dyno purposes. I did get kr, in fact I gt up to 4-5* in areas. I put the timing to it like that because I knew the car would take it in areas here and there.

You can make the power but put it this way, the tune I was running was even aggressive for 93*. But like I said I did do that for dyno purposes. Now also, Hahns numbers. The numbers shown on there page are previous numbers for my car before I owned it except for meth. Which I was also told it was on 30-31lbs. Now, the numbers Hahn said on 26 psi I can see on a aggressive tune but it won't be safe as I did with my car .


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