2.0L Performance Tech 260hp (235hp auto) Turbocharged SS tuner version. 260 lb-ft of torque

Please Tell Me GM Upgrade will make me smile lol

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Old Jan 3, 2014 | 07:13 AM
  #11  
eaglefreak138's Avatar
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Originally Posted by hyperv6
I have had the GM tune since 08 and not an issue since. It has performed great and never let me down.

I was the one who found the clearance issues back then and we had to do was to put a few washers under the IC mounts. The only reason I had an issue was my IC was replaced due to damage and when it was bolted on it had the Two bar sensors and it was just bolted in farther back. It was not a problem till we put the new one on. Couple fender washers and It has been issue free.

I really don't think you can complain about either one just beware that many warranties have a lot of fine print and many aftermarket ones can screw you so read the fine print to know just what you are dealing with.

I went with the GM one as my car was new and had the full GM warranty. I also was able to order the kit from my work but I had a Dealer install it for the full warranty. I only have $400 invested.

If I had to do it again I would not change a thing.
Thanks. Did you rotate the sensor 180* too? I'm planning on just alerting the dealer to the possible clearance issues and the couple rotation or bracket fixes with pics that have been used and let them decide once they get under there and see how my specific SS is situated clearance wise.
Old Jan 3, 2014 | 09:54 AM
  #12  
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I got stg1 when I bought the car, had all the problems, and got them resolved.

I also installed Trifecta select a tune, and I have not selected stg1 ever since.Plenty of these.....
Old Jan 3, 2014 | 02:16 PM
  #13  
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Well I took the plunge and ordered the stage 1 with wire harness from crateenginedepot. I have read the tons of threads about trimming tabs and clearance issues. So, I have provided that info including links and a pic of the bracket some have used to keep the charge pipe and sensor away from the AC compressor. I know a quick flash from trifecta was cheaper and easier but my warranty is important and I plan on renewing it since so many are getting high miles out of these cars. I figure if they get the install right it will be fun and if I ever do want another tune I'll have the 3 bar sensors to hopefully be able to read more boost later if I want. I don't know, I guess we'll find out but reading many positive reviews on the stage 1 I figured I wouldn't risk the warranty.
Old Jan 3, 2014 | 06:39 PM
  #14  
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GMTU is good but trifecta/hp unlocks a shat ton more power. If your warranty is important to you, you did the right thing. Piece of mind is worth lot$. I had fabbed some simple custom lower radiator brackets to move radiator forward enough to flip sensor 180 with tons of clearence between rad and sensor. Been thinking of making a bunch more of the mounts so others can do the same mod. Here is one of the mounts.

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Plenty-o-clearance

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Old Jan 3, 2014 | 07:58 PM
  #15  
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You will like it, it's a whole different car with 20+ lbs boost. Get ready to shop for tires......

The 5 speed has a bunch more room up front for some reason. Here is what my dealer did to secure the lower charge pipe.
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Old Jan 3, 2014 | 09:35 PM
  #16  
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Thanks. As long as the service guys can make clearance I'm sure I'll be happy and my fiancé will have plenty more to smile about. She loves fast cars :-)
Old Jan 3, 2014 | 10:43 PM
  #17  
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I'm also planning on keeping the stock BPV for now as my warranty states non-factory parts aren't covered and I assume if I blow a turbo or something, the Forge BPV will be a shining beacon for them to point at as a culprit. Who knows.

I see many comments praising the GMTU without Forge so hopefully that's my experience as it was designed for factory parts lol.

When I'm out of warranty and myself and future wife are further along in our careers I can't wait to use this beach wagon as a full on speed toy lol.
Old Jan 4, 2014 | 08:57 AM
  #18  
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No I did not flip the Map 180 degrees.

I was the one who found the clearance issues back in 08. I was lucky to be in contact with the GM engineer who handled this program. The correct way to fix the clearance issues is to make sure the tube is on the IC all the way and if you need more space just use fender washers to move the IC forward.

You can try to flip it but there are times there is little clearance to the front too. Also putting in a bracket needs to be done with care as the tube was made to move with the rotation of the engine and as it gets older you could fracture the tube. It was not made to be limited.

You need very little clearance and odds are you will have no issues with normal installation. It just closes the gap when under acceleration.

The IC is not an exact fit and cam vary a little in many SS. Mine was off due to an accident that required replacement of the IC and it was just bolted in back more.

You do need to remove the bumper cover to space the IC forward but it is the correct way to do this.

You did the right thing getting the connectors. The crimps are fine if they were installed correctly with the correct tool from Kent Moore. These are not normal connectors and need to be done right. The issue many had were just do to poor installation of the connectors. Mine are 5 years old and we are still humming alone. The tech that did mine was a dedicated tech for Turbo cars and trucks at the dealer. He even owned a SS Cobalt. He knew what to do.

Just do not over think the issues as they were not on all kits and many people just had bad installs or took poor information on repairs.

Use caution on any more power as it can do damage. Things can become marginal and as long as you are willing and able to do a repair incase something happens then it is fine. Too often people go beyond and do not have the money or skill to repair what they did. GM set the level of their kit to where it should be safe and not lead to an early long term failure. Also if it is a daily driver and you have no back up use care. If it is a play car and you can afford a failure have at it as there is a lot more room on the engine but you will find the other weak areas. I think you will be please with the GM tune as it is.

The half shafts and Trannys are the weak area as the RWD Solstice with the Manual gets 340 FT LBS with no issues.

I would just have them install it as per the instructions and if the map should hit then have them shim the IC forward and you will never have another issues. If it does not hit then leave it alone as you are ok.
Old Jan 4, 2014 | 10:03 AM
  #19  
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Thanks for all the info. I have forwarded all of the advice and experience about the bracket vs IC move to the svc Mgr who's handling the job. I love these forums.

I'm trying not to over think or pre-troubleshoot too much but I probably am lol.
Old Jan 4, 2014 | 12:41 PM
  #20  
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Originally Posted by eaglefreak138
Thanks for all the info. I have forwarded all of the advice and experience about the bracket vs IC move to the svc Mgr who's handling the job. I love these forums.

I'm trying not to over think or pre-troubleshoot too much but I probably am lol.
The work done by many dealers is questionable. Many here have done the same thing you are doing now. Gathering all relative info as a preventative measure for the dealer and the dealer still phucks it up. One of em was Bigjack(a member here) he gave them all the info they needed and he still had problems. Long story shortened, he ended up flipping his lower sensor 180. It's sad, there are so few dealers/service dept that actually take pride in their work and are capable if getting the jobs done right.



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