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Old 07-27-2007, 10:32 PM   #1
ace996
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Default XXTuning and Meth...

Brothers,
There are precious few times in life when one receives what one pays for...there are even fewer times, and you know what I mean, when one receives more. My trip to XX today was one of those times...I actually feel like l've found a "secret", a hidden treasure, and I feel strongly compelled to share it with others (as well as give strong credit where it's due).

The shop is a good 2hours away without traffic, and that's never, so roundtrip it took me 6 hours...and I'll do it everytime without complaint.

Am I gushing?...yep, and if you ever go there you'll know why. Now to the point...
I've seen the XX guys at the tracks, shared asphalt with them, and they know how to prepare an STI for the grind. Chris spoke with me about what I'd be doing with the car...drag?street?track?...and I answered autox and roadcourse.
The roadcourse-use dictated a conservative tune, as 20 minute track sessions demand more safety than 12 second drag pulls. With that decided, off to the dyno...

My mod list:
*06 STI with the following mods:
*Fram AirHog airfilter- That's right, AirHog...K&N doesn't have an animal mascot so they lose out
*Prosport Header with included uppipe
*used Perrin catless downpipe
*used 3" exhaust...didn't know what kind but XX told me it is an old APS - picked it up for peanuts, I won't share how much because you'd all hate me then.
*Snow Performance water/meth injection kit with MAF controller
*2/3 meth...1/3 water - easy to measure with gallon containers for my 12L tank
*Cobb V2 Accessport with Stage 2 tune

That's it. Not a whole heck of alot of engine stuff, but enough for some fun...

Baseline of Cobb Stage 2:
280hp at 5300 rpm
300tq at 3600 rpm
-Chris at XXTuning asked if my car was tuned prior, I said no, because he was impressed with the numbers.

The tuning started...
Several pulls later he was done:
320hp at 5300 rpm
380tq at 3350 rpm
What is most surprising, besides the peak gains, is the area "under the curve" and how the curve shifted very much to the "left".
-At 3000 rpm the numbers went from 200tq to 320tq = +120tq
-At 3200 rpm the numbers went from 220tq to 370tq = +150tq
I don't spend much time under 4K rpm on the roadcourse, but autocross puts me down in the low 3K rpm range at times...I wonder how an extra 150tq coming out of corners is going to affect my times....(insert ****-eating grin here)

Without needing to say it, the car feels quite transformed and I am very pleased.

I have quite a bit of data from a couple of roadcourses and I'll compare my pulls with a VBox PerformanceBox (GPS based) to see "real-world" differences...more to follow.

Short story -
This is the place where I will bring my car when something needs to be done that I can't do myself. I will drive the hours to get there, I'll pay the towing fee to get my car there...and I'll be happy to do it.
I highly recommend XXTuning and Chris' tuning kung-fu.

Be good,
TomK
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Old 07-27-2007, 11:00 PM   #2
WOR440
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Awesome numbers! I mad similar numbers on my stage 2+ meth on a Dynapack, the car ran amazingly, night and day difference over the OTS Cobb map.

Do you happen to have the graph you could post?
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Old 07-27-2007, 11:04 PM   #3
Jstyles21
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XXTuning Rocks!!!!!! Tom Good Luck With Your Tune. Chris knows his stuff.
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Old 07-27-2007, 11:05 PM   #4
ace996
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I do have the graphs, but no scanner...

I think the XX dyno is a dynapack...bolts to the hubs, yes?

Be good,
TomK
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Old 07-27-2007, 11:50 PM   #5
2mprzya
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man, i need to drive to ct now.
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Old 07-27-2007, 11:58 PM   #6
silverwrx666
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those are some big tq improvements

I need to get some kind of tune my ots map feels slow
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Old 07-28-2007, 01:28 AM   #7
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great results.... Chris knows his ****
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Old 07-28-2007, 03:32 AM   #8
wuuusaa
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awesome numbers, do u plan on taking it to the drag strip?
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Old 07-28-2007, 09:19 AM   #9
chlnOrSlpn?
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Great numbers!! I've been on and off about meth, but the torque with it is amazing.

XXChris is awesome! can't wait for my tune Aug 6th.
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Old 07-28-2007, 09:56 AM   #10
pawlooo
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Thats great Chris, mine is Aug11
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Old 07-28-2007, 10:31 AM   #11
XX Tuning
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Thank you for the kind words about us.. Not too often are we spoken about on this forum, but sometimes we prefer to lay low and make sure our customers are happy. There are many times when things are all about "peak numbers" rather then overall performance, we try to build and tune cars that last, and our race cars prove that theory.

Tom, thank you again for the write-up and your business, be sure to let us know if you need anything else.

~XXT
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Old 07-28-2007, 10:47 AM   #12
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Tom, here are your charts..



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Old 07-28-2007, 10:54 AM   #13
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very good deal !!!!!!!!!!!!!
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Old 07-28-2007, 03:28 PM   #14
GhoSTI
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xxtuning ftw!
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Old 07-28-2007, 03:51 PM   #15
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not that much of a power drop off to redline, look nice
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Old 07-28-2007, 03:55 PM   #16
mywifesSTi
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Nice #'s, especially on the torque. How much do you think the meth kit was good for?
Also, does it feel like it keeps pulling to 6.5k or does it feel like you need to upshift after 6k? Just wondering based on the chart.
Good luck not getting a speeding ticket with all that extra power!
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Old 07-28-2007, 04:58 PM   #17
ace996
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Quote:
Originally Posted by ol'skoolwrx View Post
awesome numbers, do u plan on taking it to the drag strip?
Sorry, no strip for me...just autox and roadcourses.

"I live my life 20 minutes at a time"....
Be good,
TomK
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Old 07-28-2007, 05:05 PM   #18
ace996
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Quote:
Originally Posted by mywifesSTi View Post
Nice #'s, especially on the torque. How much do you think the meth kit was good for?
Also, does it feel like it keeps pulling to 6.5k or does it feel like you need to upshift after 6k? Just wondering based on the chart.
Good luck not getting a speeding ticket with all that extra power!
I don't know how much of the gain is from the meth, but I'd guess that it's a good 15-20hp and at least 30tq..perhaps more. The real reason I did the meth was to battle heatsoak on the roadcourse and autox. The car should pull just as hard on the 20th minute of the roadcourse session as it does the first....and that makes it more than worth it to me, the extra power is just honey on the pornstar!!!

She pulls very well up top, all the way, but there is still drop off. The stock turbo is meant for low-mid power, but the tune/meth helps a great deal.
Be good,
TomK
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Old 07-28-2007, 08:26 PM   #19
benw
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Quote:
Originally Posted by ace996 View Post
the extra power is just honey on the pornstar!!!


Chris is tuning me in Dallas on 9/8 and also recommended a 70-30 meth ratio. I can't wait for it. My current tune is on 50-50 and I'm jonesin' for more power.
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Old 07-28-2007, 08:53 PM   #20
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Chris always come through with great results congratulations on your new found power
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Old 07-29-2007, 12:43 AM   #21
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Family of Fizz speaks highly of XX Tuning. Unfortunately did not have a chance to drive up there. I hear great things about Chris and XX all the time.

Grats on your new found power.
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Old 07-30-2007, 09:50 AM   #22
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Fizz! We love those guys.
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Old 07-30-2007, 12:14 PM   #23
David L.
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Those are some really nice numbers. Cant wait to see how your numbers change on the road course!

XXChris is an awesome tuner. I was just up there this Saturday to pick up some stuff for my second tuning session on 8/25 for my 18gd TR. Got to watch him stage 2 tune an 07 STi @ 20psi and he ended up with 305whp / 360wtq!!! I am glad that I made the decision to go with XX for my tuning needs. They are all a great bunch and will answer any questions you got or steer you in the right direction if you tell them what you want.
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Old 08-01-2007, 05:40 PM   #24
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nice numbers man ill be adding meth to my stage 2/fmic setup very soon! Chris at xx owns and is prob the only tuner allowed to touch my car!
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Old 08-01-2007, 08:51 PM   #25
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I too can also vouch for their work. I have driven 4 hours each way to get tuned by Chris and I would gladly do it all over again!
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