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Old 06-26-2012, 12:28 AM   #26
2012ZL1
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BTW.. don't be so quick to jump on the bandwagon of feeling warm and fuzzy about gm getting out of warranties. Its not always fair, and they will try to void any warranty they can as it saves millions in financial obligations. Its business, not a fairness issue.
Fact is, If you tune and then your oil pan leaks you will be denied warranty on the oil pan leak based on the tune, which is not right either.
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Old 06-26-2012, 12:21 PM   #27
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Originally Posted by RoketRdr View Post
It won't surprise me if GM comes out with some "Stage" packages that can be bought and installed at the dealer with a warranty just like they did with the Cobalt SS. Would be minor things like CAI and proper tune to support it but the key factor is that GM cannot allow any factory tuning, upgrade or mod to take the car outside federally mandated emissions standards or the EPA will be breathing down their neck with heavy fines. Especially on vehicles like the Duramax, CTS-V, ZL1 and ZR1 because they are already on the performance edge of being out of emission specs.

But for the rest of us who don't care about no stinking warranty...throw on that 90mm TB with CAI and TUNE AWAY!!!
everyone laughed at me when i asked about stage kits like the cobalts had about 2 months ago. it would be awesome
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Old 03-12-2013, 10:18 PM   #28
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The only draw back of going with the larger 90mm throttle body of the ZL1 factory 87mm throttle body is that is looks hideous. Below is a picture of what it would look like mounted to the snout without making any changes to the air inlet.



This is what it will look like with a small modification to the air inlet pipe.



In order to flip the TB 180 degrees you need to make a very small modification tot he air inlet. Below are some photos I took describing what needs to be done to make this a very clean install and not have to look at the bulky actuator housing on the 90mm TB.









I hope this helps.
I don't see the pic or instructions. Am i missing a link or something.
Thanks
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Old 03-13-2013, 02:56 PM   #29
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I don't see pics either on my iphone
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Old 03-13-2013, 03:37 PM   #30
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if somone wants to see pics I can post some in I did this on my car. it is really simple though.

you just flip the 90mm 180 degrees when you intall it so the acuator does not stick out into viw as bad.
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Old 03-13-2013, 05:14 PM   #31
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if somone wants to see pics I can post some in I did this on my car. it is really simple though.

you just flip the 90mm 180 degrees when you intall it so the acuator does not stick out into viw as bad.
Don't hassle the pics, just was curious about any other issues like if some of the vacuum lines and hoses needed to be moved or changed. I installed the Vmax ported 90mm TB the "normal" way, but there were 2 small issues. The T/B is less than 1/8" from the S/C pulley and one of the coolant hoses going to the S/C rubs on the actuator housing of the TB. So rather than fix those issues, I thought I would rotate the T/B 180 degrees. I have not tuned yet(just Roto-fab and 10% pulley). Did you tune?

Thanks
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Old 03-13-2013, 05:38 PM   #32
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It was basically flip it and bolt it. yeah I tuned it. I don't want to have to run extra octane on a street car.

Car almost has enough power now ha ha.
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Old 03-13-2013, 06:35 PM   #33
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It was basically flip it and bolt it. yeah I tuned it. I don't want to have to run extra octane on a street car.

Car almost has enough power now ha ha.
Thanks, that is what i will do. Looks like we have the same mods, or will after I get the JRE tune. Do you think our injectors have enough left to accommodate long tube headers and high flow cats? That may be my last mod to the motor.
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Old 03-13-2013, 06:44 PM   #34
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Thanks, that is what i will do. Looks like we have the same mods, or will after I get the JRE tune. Do you think our injectors have enough left to accommodate long tube headers and high flow cats? That may be my last mod to the motor.
I will report back after I do the datalog and see where I am at. I am not sure. Thats what I want to do as my last mod for a wile as well. just not sure if there is antyhing left.

If not I am just going to try off road mid-pipes instead of longtubes since there only $200. I would like to wake the sound of the car up a bit so longtubes are the best choice IMO but I don't have the $$ right now for the ID850's that everybody likes to run.
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Old 03-13-2013, 06:50 PM   #35
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I will report back after I do the datalog and see where I am at. I am not sure. Thats what I want to do as my last mod for a wile as well. just not sure if there is antyhing left.

If not I am just going to try off road mid-pipes instead of longtubes since there only $200. I would like to wake the sound of the car up a bit so longtubes are the best choice IMO but I don't have the $$ right now for the ID850's that everybody likes to run.
Cool. Look forward to your findings. I'd like to go with the headers for the weight savings and sound.
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Old 03-13-2013, 10:06 PM   #36
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flip it so the actuator is not hanging in front...very simple and the harness reaches with ease. Exactly the same on 2012 and 2013...I have done this swap on both year cars.
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Old 03-14-2013, 09:45 AM   #37
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flip it so the actuator is not hanging in front...very simple and the harness reaches with ease. Exactly the same on 2012 and 2013...I have done this swap on both year cars.
Will do. Have to wait till next week(going out of town today)
Thanks
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Old 09-12-2014, 05:46 PM   #38
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I know I am late on this post, but I just purchased a 90mm throttle body and it would be a lot of help if I could see the pics. For some reason, none of the pics are showing up on my laptop or phone. Any help would be appreciated!
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Old 09-12-2014, 07:25 PM   #39
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I know I am late on this post, but I just purchased a 90mm throttle body and it would be a lot of help if I could see the pics. For some reason, none of the pics are showing up on my laptop or phone. Any help would be appreciated!
It is because the pictures were uploaded to a separate photo site like photobucket and they aren't stored forever. If people would just upload the pictures to Camaro5 them we could see them 2 years later...
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