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GTM Performance Engineering: Stage 1 Supercharger Upgrade Kit 500whp capable

First off: congratulations to GTM for continually giving us great new options. I do have some questions though. EDIT : My questions were answered after I figured out that I

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Old 02-29-2012, 10:35 AM   #31 (permalink)
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First off: congratulations to GTM for continually giving us great new options. I do have some questions though.

EDIT: My questions were answered after I figured out that I misread the graph, which is comparing two different STG 1.5 setups. GTM, it's easier for us speed readers if you call it STG 1.5, rather than STG 1 with upgrade.

Again, congrats on the achievement!
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Old 02-29-2012, 11:54 AM   #32 (permalink)
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^ the red line is the stage1 with the upgrade (1.5) on 91 oct and the blue is the same with 93 oct and a smaller pulley.

It would be cool to see the dyno for stage 1 and then the stage 1 upgrade on the same car and the difference.

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Old 02-29-2012, 12:07 PM   #33 (permalink)
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Originally Posted by prescott3656 View Post
^ the red line is the stage1 with the upgrade (1.5) on 91 oct and the blue is the same with 93 oct and a smaller pulley.

It would be cool to see the dyno for stage 1 and then the stage 1 upgrade on the same car and the difference.
Indeed. I went back and noticed I had misread. I thought that the red line was stage 1 and I was thinking, that's way off. Thanks
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Old 02-29-2012, 01:45 PM   #34 (permalink)
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Indeed. I went back and noticed I had misread. I thought that the red line was stage 1 and I was thinking, that's way off. Thanks
I had to reread it too. I thought the same as you at first glance.
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Old 03-05-2012, 07:56 PM   #35 (permalink)
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Has anyone on the forum here done this upgrade? I want to do this so bad.
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Old 03-05-2012, 08:22 PM   #36 (permalink)
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Has anyone on the forum here done this upgrade? I want to do this so bad.
I get my kit next week
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Old 03-05-2012, 08:27 PM   #37 (permalink)
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^ yep I saw that.. congrats man. But honestly was wondering who currently has the stage1 installed (like me) and have gone thru the upgrade. just a curious bastard thats all..
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Old 03-05-2012, 08:32 PM   #38 (permalink)
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^ yep I saw that.. congrats man. But honestly was wondering who currently has the stage1 installed (like me) and have gone thru the upgrade. just a curious bastard thats all..
It's going to cost allot b/c stage 1.5 is stage 2 with the stage 1 blower so everything that stage 2 has that you don't,I guess you could leave some parts off the list to avoid a high bill.
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Old 03-05-2012, 09:52 PM   #39 (permalink)
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?? unless I'm reading it wrong, its like ~1300 for the upgrade, a little more for the bigger injectors and fuel pump voltage stabilizer.. That's not a bad price for an additional 100whp for the stage1 guys.
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Old 03-06-2012, 01:04 AM   #40 (permalink)
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I'm in for the results on this upgrade... I am definitely interested in doing it, if you really get 100 whp, the price is a good deal. Does anyone have any idea approximately how much labor it is to install?

To Baer383... This kit will make the Stage 1 even "sneakier"
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Old 03-06-2012, 01:59 AM   #41 (permalink)
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Originally Posted by ZInferno0248 View Post
I'm in for the results on this upgrade... I am definitely interested in doing it, if you really get 100 whp, the price is a good deal. Does anyone have any idea approximately how much labor it is to install?

To Baer383... This kit will make the Stage 1 even "sneakier"
GTM said directly they're going to charge 8 hours. Remember though, they know the kit from the inside out, so it could be more like 10+ hours for a master tech looking at the supercharger for the first time.
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Old 03-06-2012, 05:34 AM   #42 (permalink)
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To Baer383... This kit will make the Stage 1 even "sneakier"
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Old 03-06-2012, 06:34 AM   #43 (permalink)
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It's only +100whp if you assume the stage 1 is limited to 400whp, which it isn't.
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Old 03-06-2012, 12:41 PM   #44 (permalink)
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It's only +100whp if you assume the stage 1 is limited to 400whp, which it isn't.
On this kit most people have been seeing 390 - 420whp, so it's still at least 80whp depending on the Dyno you're using.
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Old 03-06-2012, 12:44 PM   #45 (permalink)
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Either way, a solid 50-80whp for around $1,500 is a pretty good deal for those with the stage 1 SC from GTM.
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