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Go Back   IWSTI.com: Subaru WRX STI Forums > IWSTI Engine & Drivetrain > Water-Meth Injection / Nitrous & Intercooler Cooling


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Old 02-22-2007, 09:33 PM   #1
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so how much whp wtq am i looking at with a tuned methanol/H2O kit.


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Old 02-22-2007, 09:38 PM   #2
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There are too many variables for anyone to accurately answer that question, but figure somewhere between 300-350 whp/tq depending on how aggressive the tune, how much meth, your turbo, the dyno, the tuner, etc etc...
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Old 02-23-2007, 05:34 AM   #3
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2005 sti here

catless tbe
MRT intake
Perrin EBCS
1 step colder plugs
50/50 meth

XX tuning in CT

307 whp 372 ft /lbs

Stock IC, fuel pump, injectors, turbo



Boost still falls off up top, limiting my HP, but as you can see , it is a torque monster down low.

Roughly equivalent to 450 ft/lbs at the crank, enough to kill my stock clutch.

Coolingmist kit.

That should cover it, I LOVE it. Use it daily, run 21-22 psi peak (tapers like a *****)

Used 10 gallons of 50/50 in 1 year.
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Old 02-23-2007, 05:43 AM   #4
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I had 294whp and 344wtq without the meth and 322whp and 391wtq with. Same tuner, dyno, and tuning session.
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Old 02-23-2007, 05:48 AM   #5
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Quote:
Originally Posted by disturbed1
so how much whp wtq am i looking at with a tuned methanol/H2O kit.
A list of your mods would really help here.
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Old 02-23-2007, 07:06 AM   #6
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Heres mine (Protuned by Doug from TopSpeed at XX-Tuning, CT):

Baseline Run:


Protune Pump (93 Octane):


Meth Tune on Pump (93 Octane):


AFR & PSI on Meth Tune on Pump (93 Octane):


Mods List at the time it was tuned:

Invidia V2 Catless DP Wrapped and sprayed
APS Turbo Inlet
APS CAI (65mm)
Invidia G200 Catback
Perrin Crank Pulley
SMC Meth Injection (50/50 Meth/Distilled Water) M10 Spray Nozzle
NGK 1 Step Colder Spark Plugs
Walbro Fuel Pump
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Old 02-23-2007, 07:25 AM   #7
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Quote:
Originally Posted by Chris05STi
Heres mine (Protuned by Doug from TopSpeed at XX-Tuning, CT):

Baseline Run:


Protune Pump (93 Octane):


Meth Tune on Pump (93 Octane):


AFR & PSI on Meth Tune on Pump (93 Octane):


Mods List at the time it was tuned:

Invidia V2 Catless DP Wrapped and sprayed
APS Turbo Inlet
APS CAI (65mm)
Invidia G200 Catback
Perrin Crank Pulley
SMC Meth Injection (50/50 Meth/Distilled Water) M10 Spray Nozzle
NGK 1 Step Colder Spark Plugs
Walbro Fuel Pump
It's kinda hard to read what are you making on the meth protune?
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Old 02-23-2007, 07:34 AM   #8
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Sorry, all these pulls were in 5th gear. So 4th gear numbers are about 20whp/20wtq more.

My Protune with 50/50 Meth is: 317whp/421wtq in 5th gear on DynoPacks.
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Old 02-23-2007, 10:41 AM   #9
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Quote:
Originally Posted by Chris05STi
Sorry, all these pulls were in 5th gear. So 4th gear numbers are about 20whp/20wtq more.

My Protune with 50/50 Meth is: 317whp/421wtq in 5th gear on DynoPacks.
Holy crap dude!

Same car, similar setup, same dyno, different tuner, you got 10 more HP and 50 moe ft/lbs?!!?!?!?
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Old 02-23-2007, 10:48 AM   #10
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Yup....she is a beast...now she is just meh alright fast...can't wait for my turbo setup to get in there, then I will really be liking it!

I know the VF-39 is blah on the top end, thats what I want more of...off the line....I can rip the tires loose (Winter Tires) all throughout 1st gear, and still be loosing traction while going into 2nd.
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Old 02-23-2007, 11:16 AM   #11
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BTW, almost 8,000 miles of driving with this setup after the tune, 2 circuit events, and half a dozen of 1/4 runs.....stock clutch went in 5th and 6th gear. I advise if you go upgraded clutch, get the ACT Street Performance Clutch and the ACT StreetLite Flywheel...def worth it, no problems and I have the Perrin Crank Pulley and the ACPT Carbon Fiber 1 Piece Driveshaft.

We also install clutches, you wouldn't believe how much me and Kiwi Ian charge, just incase you ever need one put in.
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Old 02-24-2007, 12:02 AM   #12
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oh man its really worth it. damn those numbers are incredible. right now all i have is typhoon, catless TBE, and cobb stage II. i will buy and supporting mods for the meth kit before i tune. that 400+ wtq looks very sexy to me. cant wait. hope i net the same results. thanx for the post guys.
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Old 02-24-2007, 07:48 AM   #13
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No problem.....btw, my friend had some problems with his Typhoon, in the summer in traffic it just sucked up all the hot air in the engine bay.....maybe you should get the APS 70mm CAI for the tune.....those are great, but only if your tuned for them.
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Old 02-24-2007, 08:51 AM   #14
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Yeah damn wow those numbers are crazy!!!
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Old 02-24-2007, 09:32 AM   #15
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Chris' setup is beastly, gotta love his torque curve.


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