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Old 10-18-2012, 12:51 PM   #1
Scooby Newbie
Member#: 66206
Join Date: Jul 2004
2005 WRX STi

Default Dyno tune: 2005 STi 2.5L + FP HTA Green makes 350whp (EWG comparison)


Event: dyno pull
Location: Performance Auto Solutions (Deer Park, NY)
Ambient Temp: 60 degrees F
Elevation: At sea level.
Weather: unremarkable autumn day/evening. dry.
Tires: Hankook Ventus V12 Evo - 225/45/17

Car: 2005 STi
Tuner: Dave Brown - Performance Auto Solutions
Dyno Info: Mustang
Transmission: 6spd stock gearset
Gear: 4th
Peak HP at RPM: 350whp @ 6200
Peak Torque at RPM: 346 lb-ft @ 3800
Baseline hp/tq for a stock on same dyno: ~210 for STi 2.5L
Target Boost: unknown
Target AFR: unknown
Fuel: 93 octane unleaded pump gas
Engine/Power Modifications: FP HTA Green Turbo, 1100cc injectors, Process West top mount intercooler, TGV deletes, top feed conversion, fuel pressure regulator, 300lph fuel pump, turboxs catless downpipe, high flow midpipe, OEM STi catback, aftermarket EWG uppipe. 73mm KStech intake. Perrin 3" turbo inlet. Perrin fuel rails. Grimmspeed EBCS. 38mm tial wastegate venting to atmosphere. Cobb AP, stock engine internals. Apologies if I forgot anything but I think that's it.
Driveline Modifications: Grimmspeed Pulley.
Suspension Modifications: none.
Other Modifications: full interior and large subwoofer box in trunk.

The first pull (described above) is with the wastegate venting to atmosphere:

Same deal and substantially the same conditions but a couple of days later. This time with the wastegate plumbed back into the downpipe (no boost plot on this second one):

I left it with the wastegate plumbed into the down pipe for noise concerns.

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Last edited by be0tch; 11-11-2013 at 05:07 PM.
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