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Old 02-08-2006, 04:30 AM   #1
STiMUL8
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Default Question about Cobb Pro-Tune - installing Helix Catted D/P this Saturday.

Anyone have any ideas on the numbers I will be running after the pro-tune?

I am currently Stage 1, with the only mod being a catback Tsudo N1 style exhaust, which I understand adds nothing.

This weekend I am going to TDC tuning in Concord, NH, and having my Helix D/P (catted) installed along with Crucial Racing (vendor on NASIOC) copper gaskets installed, along with a Cobb heat shield.

Instead of just flashing to Stage 2 93 octane off the shelf Cobb map, I am going to have TDC dyno tune the car & create a custom map for me.

Any idea on what WHP I will be running after that? I understand that a stock STi is usually 240-255 stock WHP.... stage 1 must have kicked that up a little bit....

I will be getting a before/after dyno plot, so it should be interesting - I am looking forward to it - is Stage 1 and Stage 2 really a different beast? (hopefully the custom tuned Stage 2 will be better than the off the shelf Cobb map for 93 octane).

Thanks,

Steve
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Old 02-08-2006, 04:57 AM   #2
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Stage 2 will be TOTALLY different for you.

EQ Tuning has done a couple STi's with the Helix highflow and a WRX or two.... you might want to e-mail him and ask his thoughts... Ed (at) EQTuning.com

Jeremy
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Old 02-08-2006, 05:13 AM   #3
STiMUL8
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Thanks Jeremy, email was sent....

Once again, thanks for the quick shipment of your copper gaskets and hardware - great customer service!
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Old 02-08-2006, 05:38 AM   #4
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Steve,

Numbers are kind of hard to guess in this case because I don't know what type of dyno you're going to be on. The Mustang Dyno's in this area put a stock STI at ~220whp. A stage 1 (stock + tune) makes about 240-250whp and a catted stage 2 like your car generally makes around 260-270whp. Now remember that this is on california 91 octane and a low reading dyno. For dynoje numbers multiply by 1.15 and you should be in the ballpark. Good luck and let us know how the tune turns out.

Thanks
-- Ed
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Old 02-11-2006, 04:51 AM   #5
STiMUL8
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I'm leaving RI 3 hours.... I will post up my results! Looking forward to it & meeting Jon @ TDC
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Old 02-11-2006, 10:41 PM   #6
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Ok, got back at 7:30 after the ride home. I had a good time. Jon is a great guy.

Here are the results - they are in different charts, but it's basically showing my car with the "stock" map, the Stage 1 off the shelf from Cobb, Stage 2 off the shelf, and then the ProTune from Jon Stage 2. I had a Helix high flow catted d/p installed, and I have a Tsudo N1 style exhaust.

So, my stock number for HP was 245whp/254tq - and it went to 289.5whp/322tq after the ProTune.







The Stage 2 off the shelf map was compared to ProTune Stage 2on this sheet, but I think there was a mistake because this one shows 270whp peak at the bottom, but I may be reading it incorrectly.

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Old 02-12-2006, 12:12 AM   #7
Equilibrium Tuning
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Are the "stock" numbers of your car with the stock ECU or are they a baseline completely stock STI?

Thanks
-- Ed
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Old 02-12-2006, 10:32 AM   #8
STiMUL8
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No, they are the Cobb "stock" flash, I never did any pulls in an unmarried or pre-flash state. The stock HP of 245 sounds about right I think...based on what I have read.
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Old 02-12-2006, 10:52 AM   #9
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dont forget you had a Cat back exhaust
:-)
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Old 02-12-2006, 10:58 AM   #10
STiMUL8
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True, but what's that, 2hp LOL.
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Old 02-12-2006, 10:59 AM   #11
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Quote:
Originally Posted by STiMUL8
True, but what's that, 2hp LOL.
[RICER]
10 bajillion!!
[/RICER]
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