2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Official Turbo LSJ thread!!!

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Old Jun 11, 2013 | 06:37 AM
  #5701  
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Three days to tune? Seems like you need to find a new tuner. What are theses finicky symptoms you speak of? Rough idle?
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Old Jun 11, 2013 | 08:34 AM
  #5702  
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From: sidney mt
Time for 5558 or 5858....252et is boring now lol
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Old Jun 11, 2013 | 09:13 AM
  #5703  
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From: MP, PA (S of Pittsburgh)
Originally Posted by EXsoccer1921
correct. i tried to look earlier though at which nipple on the wastegate the line from the mbc goes to but i don't have the car with me and i can't find any good pictures.
Damn . What you do to the car this time Haha. Its weird I did what the damn instructions said. The evap nipple even blew off the intake manifold so something with the controller or my wastegate is sticking.
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Old Jun 11, 2013 | 01:57 PM
  #5704  
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From: Plymouth, MA
Originally Posted by rivaladore
Three days to tune? Seems like you need to find a new tuner. What are theses finicky symptoms you speak of? Rough idle?
Well the guy that tuned me, tuned you... Haha. It was the first time they tuned a Turbo Swapped LSJ. Well, the three days were because I went back twice after driving it for a week with issues I wanted to address. The main issue was that the idle would keep bouncing, he finally got it stable but it still does it every so often, not sure if that is common.

But my main issues that I have might be purely based on me being paranoid. Honestly, I got pulled over the other day doing a second gear pull because I'm just doing pulls in 2nd and 3rd to see how the car reacts. BTW I wasn't speeding, and the cop was like, "come on guy, it's just a cobalt, seriously? Not impressive."

I feel like every so often, the fuel cuts out when I'm doing a pull, or cuts in and out. The best way I can explain it is that the engine feels like its trying to go all out but keeps stuttering.

Sometimes it runs perfect, and sometimes it runs kind of like ****. That's why I'm debating on making the trip from MA to Michigan to visit ZZP.
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Old Jun 11, 2013 | 04:39 PM
  #5705  
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From: New Mexico
Originally Posted by EXsoccer1921
if you have a cat. after it.
No cat straight pipe.
Originally Posted by c130aviator
wideband should be precat no more than 24 inches from the turbo.

I am no cat in the downpipe 24 inches from the turbo. Read more accurate that way. I had it right after the turbo and it was all over the place.
Does it matter which side of the pipe?
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Old Jun 11, 2013 | 04:52 PM
  #5706  
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No
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Old Jun 11, 2013 | 07:55 PM
  #5707  
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From: Hickory
Originally Posted by nwss
Time for 5558 or 5858....252et is boring now lol
I'm using the 5558 currently on 14 pounds but in need of t bolt clamps. Seems like it will be pretty quick.
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Old Jun 11, 2013 | 07:59 PM
  #5708  
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From: The 405
Originally Posted by MP Cobalt
Damn . What you do to the car this time Haha. Its weird I did what the damn instructions said. The evap nipple even blew off the intake manifold so something with the controller or my wastegate is sticking.
nothing..yet. lol. i moved and have it at my parents house till i put the new transmission in it. once that's done i'll get some bigger injectors, retune it and crank it to 600 again.
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Old Jun 11, 2013 | 08:12 PM
  #5709  
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From: Florence, NJ
So since i broke the EFR that was converted to a ZFR i am going to pick up a new turbo next week. Going with the PT 6262 CEA. Should be fun.
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Old Jun 11, 2013 | 09:08 PM
  #5710  
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From: NJ
Originally Posted by SuperChargedMA
Well the guy that tuned me, tuned you... Haha. It was the first time they tuned a Turbo Swapped LSJ. Well, the three days were because I went back twice after driving it for a week with issues I wanted to address. The main issue was that the idle would keep bouncing, he finally got it stable but it still does it every so often, not sure if that is common.

But my main issues that I have might be purely based on me being paranoid. Honestly, I got pulled over the other day doing a second gear pull because I'm just doing pulls in 2nd and 3rd to see how the car reacts. BTW I wasn't speeding, and the cop was like, "come on guy, it's just a cobalt, seriously? Not impressive."

I feel like every so often, the fuel cuts out when I'm doing a pull, or cuts in and out. The best way I can explain it is that the engine feels like its trying to go all out but keeps stuttering.

Sometimes it runs perfect, and sometimes it runs kind of like ****. That's why I'm debating on making the trip from MA to Michigan to visit ZZP.
No problems here. Feels like it cuts out? Do you know what spark blow out feels like? whens the last time you changed or checked you plug gaps? Are you paying attention to a wideband when this is happening. If fuel really was cutting out you'd see your wideband go lean id assume. First thing I'd do is check the basic stuff: plugs, check wiring, clean throttle body, clean maf, clean connections at PCM, run some sea foam through the gas tank. If nothing improves contact gremlin for a retune.
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Old Jun 11, 2013 | 09:58 PM
  #5711  
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From: Indiana
Originally Posted by Bad-A-SS

I'm using the 5558 currently on 14 pounds but in need of t bolt clamps. Seems like it will be pretty quick.
Your still not finished?
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Old Jun 11, 2013 | 10:06 PM
  #5712  
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From: The 405
is anyone really ever finished?
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Old Jun 11, 2013 | 10:45 PM
  #5713  
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From: LR, AR
Originally Posted by EXsoccer1921
is anyone really ever finished?
i am getting there. Seriously. Had to draw the line somewhere and remind myself this is a daily driver. After I get retuned with my new fuel regulator, hoping for 440whp. I am done with my engine. Its honestly more than I could ever want in a fwd 2900 lb car and with my **** MX habits, this thing should last for ever at a measly 25 psi.

My goal was to always get to a good solid reliable 400 and not worry about kr. DONE.
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Old Jun 11, 2013 | 10:51 PM
  #5714  
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From: Hickory
Originally Posted by 574
Your still not finished?
Thought I was but started blowing off hoses so I am in big need of t bolt clamps
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Old Jun 11, 2013 | 11:31 PM
  #5715  
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From: The 405
then i'd say you went about it the right way C
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Old Jun 11, 2013 | 11:48 PM
  #5716  
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From: Indiana
I need to set a goal, otherwise ill never stop and end up with a car that's not street able
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Old Jun 12, 2013 | 08:40 AM
  #5717  
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From: sidney mt
Originally Posted by EXsoccer1921
is anyone really ever finished?
Not when your friends have 700awhp evo's lol. Forever slow
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Old Jun 12, 2013 | 08:42 AM
  #5718  
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From: sidney mt
Originally Posted by Bad-A-SS
I'm using the 5558 currently on 14 pounds but in need of t bolt clamps. Seems like it will be pretty quick.
What's the spool like?
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Old Jun 12, 2013 | 09:56 AM
  #5719  
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From: MP, PA (S of Pittsburgh)
I still can't figure out why my car is down on power. Changed the boost controller see if it was a bad controller and still feels like it pulls slow. Checked the turbo exhaust side and all the blades looked good. The issue was I turned the boost up to 20 on Dyno and the gauge showed it didn't see the 20 psi to around redline it stayed at 17 to about 6500 and then bumped up to 20 right before shift
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Old Jun 12, 2013 | 11:45 AM
  #5720  
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From: Hickory
Originally Posted by nwss
What's the spool like?
It sees like right around 35-3900rpms. Won't fully know until i get some clamps where my hoses don't pop off lol.
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Old Jun 12, 2013 | 12:26 PM
  #5721  
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From: sidney mt
Originally Posted by Bad-A-SS
It sees like right around 35-3900rpms. Won't fully know until i get some clamps where my hoses don't pop off lol.
Just might have to pull the 252et out now!
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Old Jun 12, 2013 | 06:27 PM
  #5722  
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From: LR, AR
Originally Posted by nwss
Not when your friends have 700awhp evo's lol. Forever slow
When i have their budget, if ever, then I will worry about them.

Its the daily drive through some twisty back roads or taking the long scenic way to work, dropping the gear, hearing the BOV sing to you and enjoy the ride. I have concluded power isnt everything. I love the balance of my car.
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Old Jun 12, 2013 | 06:33 PM
  #5723  
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From: LR, AR
Originally Posted by EXsoccer1921
then i'd say you went about it the right way C
The car feels good, very happy with it, I just needed to get to a point that I could enjoy the car rather than have it on jack stands any longer.
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Old Jun 12, 2013 | 06:44 PM
  #5724  
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From: Miami, Florida
Originally Posted by nwss
Just might have to pull the 252et out now!
You need some real fuel first. I got the s256et with the 74/64 turbine wheel hitting 26psi at 3700rpm
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Old Jun 12, 2013 | 09:10 PM
  #5725  
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Anyone think that a 45 and a 90 degree 3.5" ic piping would work for an intake?
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