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Old 09-27-2007, 04:20 AM   #1
GTScoob
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Member#: 68602
Join Date: Aug 2004
Location: Atlanta
Vehicle:
02 STi Wagon

Default My stock-ish ver8 EJ207

Engine Mods:
03 JDM STI motor
VF37 twin-scroll turbo with equal length headers
APS TMIC
Perrin EBCS
Catless DP
STI catback
Scott Siegel and Batlground tuned ECU



This run was on Batlground's low reading dynojet. I'm curious how much topend power I'll pick up with a full 3" exhaust but for now I'm enjoying the quiet STI exhaust. Running 20psi on all 5 gears, tapering down to 15psi by redline. The VF37 is just maxed out at these power levels. With gear dependent boost control 1st and 2nd gear haul ass with full boost.
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Old 09-27-2007, 07:42 AM   #2
sjl1614
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Member#: 56791
Join Date: Mar 2004
Chapter/Region: South East
Location: Charlotte, NC
Vehicle:
06 OBS

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Why does their dynojet read low? It's normal for a dynojet numbers to be inflated.
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Old 09-27-2007, 09:04 AM   #3
stickman
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Member#: 13890
Join Date: Jan 2002
Chapter/Region: TXIC
Location: DFW
Vehicle:
2007 Mazda CX 7
Icy Blew

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are u using the USDM STi catback or the JDM catback.

i know the USDM STI catback is 2.5in where the JDM STI catback is 2.25 in.
so that may help with flow.

also what does a stock STi do on that dyno?
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Old 09-27-2007, 12:16 PM   #4
PaulRex
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Join Date: Nov 2001
Chapter/Region: Tri-State
Location: Vermont
Vehicle:
10 Toyota Taco
K8 SV650SF

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damn.. with that turbo the powerband is huge. 3,500-8krpms! Love those 2.0l sti engines, thats a great setup. Didnt dug-e-fresh get into teh 11s with that turbo?
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Old 09-27-2007, 12:35 PM   #5
silentbob343
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Quote:
Originally Posted by PaulRex View Post
damn.. with that turbo the powerband is huge. 3,500-8krpms! Love those 2.0l sti engines, thats a great setup. Didnt dug-e-fresh get into teh 11s with that turbo?
I believe so, but he also said his car was a factory freak.
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Old 09-27-2007, 02:33 PM   #6
GTScoob
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Location: Atlanta
Vehicle:
02 STi Wagon

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USDM STI catback. It just seems like most cars read 30-40whp lower than the other local dynojets and dynapaks when dynoing on this dyno.

One of my friends put down 240whp with an 04 STI with a protune and catless DP.
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Old 09-27-2007, 02:44 PM   #7
dug-e-fresh
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Member#: 4568
Join Date: Mar 2001
Location: 603 whp / EJ207
Vehicle:
10.7 @ 136, '02 WRX
13.7 @ 102, '09 spec.B

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Quote:
Originally Posted by PaulRex View Post
damn.. with that turbo the powerband is huge. 3,500-8krpms! Love those 2.0l sti engines, thats a great setup. Didnt dug-e-fresh get into teh 11s with that turbo?
I had a VF36... the Spec C version of the VF37.

I managed 12.0 @ 115... never really had an oppurtunity to give it another good go for 11s.

Mine dynoed 310 on pump, 320 on race gas... same boost, 18 psi peak, 15 psi by redline.

I ended up running 20 psi peak and managed to hold 17 by redline. I loved that set-up... very fun to drive.

def
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Old 01-20-2008, 01:35 AM   #8
FuJi K
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Join Date: Jan 2001
Chapter/Region: MWSOC
Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

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The curve looks very much like my conservative street tune, but I'm running an E3-16G-8cm. My power still pull all the way to 7k-rpms, but we'll see if I need more revs. I WANT more though...my power just keeps goin!!
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Old 01-20-2008, 02:08 AM   #9
modaddict
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Member#: 95840
Join Date: Sep 2005
Chapter/Region: NWIC
Location: Pasco, WA
Vehicle:
sold to a good bud
awaiting next car

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^^^^
wait.

What?
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Old 01-20-2008, 02:12 AM   #10
FuJi K
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Location: St. Paul, MN
Vehicle:
MY99 GF4 JDM 6spd
NF Performance

Default

Quote:
Originally Posted by modaddict View Post
^^^^
wait.

What?
http://forums.nasioc.com/forums/show....php?t=1430206
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