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L61 Turbo/Super (forced induction) Information Thread

2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

L61 Turbo/Super (forced induction) Information Thread

Old 07-28-2008, 01:56 AM
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Originally Posted by Halfcent View Post
To the best of my knowledge, that web page was written before the 07 model came out, and simply wasn't updated when it did. The Garrett kits tune from SCT was written for the E16 ECM. It will not work on the E37.
Is there still no tune for the E37?

I realize that there is that ls2edit thing, but I'm not going to be able to do it.

Where would I have to take it?
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Old 07-28-2008, 12:33 PM
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To a tuner shop that does have it.
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Old 07-28-2008, 01:24 PM
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Has anyone used a SMT6 piggy system before?

http://www.perfectpower.com/products/smt6.asp
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Old 08-10-2008, 12:55 PM
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i was reading up on the smt6 fmu and its pretty much the same as the aem p/i controller plus it is already made for our cars plus if you go with custom tune get it from trifecta and if your going to push 250 at least change your head gasket at the minimum since most internals can hack 250 hp
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Old 08-10-2008, 05:40 PM
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any kit available for the 2007?? what about trifecas tune?
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Old 08-12-2008, 12:03 AM
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I've been doing some searching here and I can't find the answer to my question.

I have a small turbo sitting around that I know would work great on my cobalt, its an 06. I have plenty of parts to put it all together, the plumbing and all that fun stuff should only be a small headache.

Tuning is the biggest problem. I'm not going for any big power numbers, 2-3# of boost is all I'm really looking for. Just some extra power through the mountains and a bit of added fuel economy would make me pretty happy. I'm guessing the stock computer would be able to handle that kind of boost without any problem. Does anyone know anything about that?
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Old 08-12-2008, 12:08 AM
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Originally Posted by denn454 View Post
I've been doing some searching here and I can't find the answer to my question.

I have a small turbo sitting around that I know would work great on my cobalt, its an 06. I have plenty of parts to put it all together, the plumbing and all that fun stuff should only be a small headache.

Tuning is the biggest problem. I'm not going for any big power numbers, 2-3# of boost is all I'm really looking for. Just some extra power through the mountains and a bit of added fuel economy would make me pretty happy. I'm guessing the stock computer would be able to handle that kind of boost without any problem. Does anyone know anything about that?
What year and model cobalt is it?
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Old 08-12-2008, 12:33 AM
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Originally Posted by CobaltLs_14 View Post
What year and model cobalt is it?
06 2.2
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Old 08-12-2008, 11:58 AM
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Originally Posted by denn454 View Post
I'm guessing the stock computer would be able to handle that kind of boost without any problem. Does anyone know anything about that?
Stop and think about that for a moment. Is that really smart? "Oh, it will be okay"

It will not be okay. It will not be able to handle it. As we have seen on this board in the past, people have done what you are proposing. And it worked, at first. And they where very proud that it worked, at first. And then a few thousand miles later, the engine blew.

You need a tune. If you are going to put all the effort into the modification, spend the $500 and get a tune for it.
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Old 08-12-2008, 08:49 PM
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Originally Posted by Sentry View Post
Is there still no tune for the E37?

I realize that there is that ls2edit thing, but I'm not going to be able to do it.

Where would I have to take it?
Originally Posted by Halfcent View Post
To a tuner shop that does have it.
Sorry, another question. If I got the garrett or the hahn 2.2L kit and took a copy of ls2edit to a tuner shop would that be all I would need? I have an auto tranny, would that need to be tuned or worked on?
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Old 08-13-2008, 01:30 PM
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You wouldn't want to take a copy of the software to a shop. You want to go to a shop that already has it. That would be like bringing your own food to a restaurant to eat. And yes, the transmission would need a tune as well as the engine.
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Old 08-13-2008, 04:41 PM
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Originally Posted by Halfcent View Post
You wouldn't want to take a copy of the software to a shop. You want to go to a shop that already has it. That would be like bringing your own food to a restaurant to eat. And yes, the transmission would need a tune as well as the engine.
I doubt most shops would have ls2edit, but maybe I'm wrong.

Anyone know any tuning shops in Texas?
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Old 08-14-2008, 02:48 AM
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well i googled ls2 edit to see what it can do and i found this from a gto forum in case if any one wants to go that route http://www.ls1gto.com/forums/archive.../t-107079.html
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Old 08-14-2008, 11:18 PM
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ask strretdreamz, he did my car after i got it supercharges with the ls2edit.. it was new to him, but he figured it out
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Old 09-24-2008, 07:51 PM
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what do u think would be more cost effictive and be better for the long run on a 2.2l 2008 Cobalt LT. Dont know to much about this right now. Assuming I have the LSJ engine, would a supercharger, or a turbocharger be more cost effective, and hold up better with mileage. Also, are there any available yet for the LSJ?
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Old 09-24-2008, 08:44 PM
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I'm confused by your question. You say you have a "2.2l 2008 Cobalt LT", but then you say you have the LSJ engine. That doesn't make sense. Which one do you have?
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Old 09-24-2008, 10:27 PM
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Originally Posted by Halfcent View Post
I'm confused by your question. You say you have a "2.2l 2008 Cobalt LT", but then you say you have the LSJ engine. That doesn't make sense. Which one do you have?
My mistake, I meant the 2.2l engine. U know what im talking about
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Old 09-29-2008, 03:28 PM
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Originally Posted by Gestapo007 View Post
My mistake, I meant the 2.2l engine. U know what im talking about
You have the 08, which means you have SAI correct? If I'm not mistaken, this means that your headers are different. I'm pretty sure the SAI can be taken off pretty easily, but check first before you go making big plans.

Now, what are your goals for your car? Do you want the versatility of a turbo that can make massive gains for more money? Or, you could go supercharged for a limited amount of power for less money.

Your internals are not going to be happy taking 300 hp if you do slap on a big turbo. After that, you're talking about spending ungodly amounts of time and money trying to upgrade a car that could break at any moment running that amount of power without a good tune.

The supercharger will be cheaper, and put out about the same power as that garrett kit, and you won't really have to worry about breaking anything if you get a proper tune. As long as you keep it under 250 hp, your stock setup will work.

Basically, I'm saying you have two roads. One is the 240-60 max hp range, and the other can be whatever you want it to be, but it will cost you greatly if you go building the head. Make sure you're ready for that kind of monetary commitment.
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Old 12-07-2008, 03:14 AM
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So ive read this whole thread, and this is what i understand....

-I have an auto 07' G5
-I would like the Garett Alpha kit, but i would need the trifecta tune for it.

Other than that..... thats all i need. Correct?
I get confused with all the different engine types.
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Old 12-07-2008, 10:36 AM
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Originally Posted by jlaudiog5 View Post
So ive read this whole thread, and this is what i understand....

-I have an auto 07' G5
-I would like the Garett Alpha kit, but i would need the trifecta tune for it.

Other than that..... thats all i need. Correct?
I get confused with all the different engine types.
That would work, correct.
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Old 12-07-2008, 12:10 PM
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Would it also be cheaper to build my own?
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Old 12-07-2008, 12:21 PM
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trifecta did a good job tuning my turbo set up. dyno'd at 258.94whp 215.68wtrq @ 10psi
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Old 12-07-2008, 01:02 PM
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very nice. thats about the HP im really looking for. in about the 250 range. the garrett says it only gets you around 200-220ish. whats up with that. is it all in the tune?
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Old 12-07-2008, 01:15 PM
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Originally Posted by jlaudiog5 View Post
very nice. thats about the HP im really looking for. in about the 250 range. the garrett says it only gets you around 200-220ish. whats up with that. is it all in the tune?
no, (the tune helps though) there is a lot more too it... it depends on the turbo you are using as well... mainly the cfm rating but there are other factors.

my turbo is a t60-1 hiflow hybrid w/ ceramic ball bearings and it moves 786cfm's

the first tune on my car dyno'd at 242whp and vince at trifecta had me data log the dyno pull's and he saw that he could add more timing so he just kept adding timing until he saw Kr in the data log and then backed the timing down a touch. walla 258whp

I still have issues with the tune uptop but im close to the braking point of the stock rods so im leaving it the way it is till i can get another motor forged.
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Old 12-07-2008, 01:26 PM
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ah, would it be safer to get the garrett kit with a trifecta tune i am assuming?
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