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Old 02-18-2010, 07:16 PM   #1
Scooby Newbie
Member#: 171900
Join Date: Feb 2008
Chapter/Region: MWSOC
Location: Chicago
2006 STI
Steel Grey Metallic

Default Benchmark Tuning + Grimmspeed on VF-39

Event: Dyno Tune
Location: Benchmark Tuning in Melrose Park, IL
Ambient Temp: 40 degrees
Tires: Stock

Car: 2006 STi
Tuner: Matt of Benchmark Tuning
Dyno Info: Dyno Tune on Mustang Dyno
Peak HP at RPM: 255 whp @ 5100 RPM
Peak Torque at RPM: 328 wtq @ 3400 RPM
Baseline hp/tq for a stock on same dyno: SAME CAR WITH EVERYTHING STOCK!!
-212 WHP - 6800RPM
-207 WTQ - 3900RPM

Target Boost: 21 PSI Peak - 14.5 PSI Redline
Target AFR: 11.1
Fuel: 93 Octane
Engine/Power Modifications:
-Invidia catless TBE
-Grimmspeed PnP Exhaust Manifold w/ high-flow cross section
-Grimmspeed Up-pipe
-Grimmspeed EBCS
-Grimmspeed TGV Deletes
-Grimmspeed Ported Intake Manifold
-Grimmspeed Ported VF39
-SPT intake
-AP Hard Inlet
-WitchHuneter 800cc Modified Injectors
-Walbro 255

Driveline Modifications: Stock
Suspension Modifications: Stock
Other Modifications: Stock

Here is a blurry cell-phone pic of the dyno chart. Completely stock vs. all mods above:

I am very happy with the extra 120 foot-pounds!
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Old 02-18-2010, 07:17 PM   #2
Scooby Guru
Member#: 99102
Join Date: Oct 2005
Chapter/Region: South East
Location: Jax, FL
09 135i 6MT FBO
Twin Turbo!


awesome! now go external wastegate!

grimmspeed is good stuff
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Old 02-18-2010, 10:00 PM   #3
Scooby Guru
Member#: 56203
Join Date: Feb 2004
Chapter/Region: Tri-State
Location: south nj
00 RSTI Coupe
Twin Scroll 2.5XTR EJ207


so you have ALL those mods and only made 43whp more?....i know its a mustange but that that still sounds weak.
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Old 02-18-2010, 11:02 PM   #4
Scooby Newbie
Member#: 120461
Join Date: Jul 2006
Chapter/Region: BAIC
Location: Bay Area/ L.A
2004 WRX STi JBP


hit around 260 on a unmodified mustang with tbe and tune. truly a heartbreaker.
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Old 02-19-2010, 03:09 AM   #5
Scooby Newbie
Member#: 102236
Join Date: Dec 2005
Chapter/Region: South East
Location: Athens, GA
2006 Legacy Spec B


Amen - but doing the drivetrain loss from 300/300 to baseline numbers, using the same percentage with the new numbers yields ~361/475 at the crank - pretty damn impressive for a ~35 lb/min turbo.
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Old 02-20-2010, 07:20 PM   #6
Benchmark Tuning
Former Vendor
Member#: 154444
Join Date: Jul 2007
Chapter/Region: MWSOC
Location: 9120 Medill Ave
2008 08 STi, Typhoon
06 STi, 847-960-8676


the car made great tq with the set-up, but it is his daily so we didnt want to go too aggressive.
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