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12-31-2008, 08:38 PM | #1 |
Scooby Specialist
Member#: 101865
Join Date: Nov 2005
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NWIC
Location: Covington, WA
Vehicle:88 GL-10 STi silver |
Dyno #'s EJ20G with ViPEC
finaly got some numbers with the ViPEC.
had some cracked coiles and a few other small issues, then with the weather i couldnt get back to Drift Office till today to get my "Final" tune. here is the setup: 96 EJ20G TD05h FMIC STI injectors and coil packs blitz boost controler set to ~16PSI full 3" trubo back exhaust Blue is With the Z4 ECU RED is with the ViPEC -=Suberdave=-
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12-31-2008, 09:12 PM | #2 |
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Very nice. Out of curiosity, what TBE are you running?
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12-31-2008, 09:51 PM | #3 |
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What did you pay for the vipec?
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12-31-2008, 09:54 PM | #4 | |
Scooby Specialist
Member#: 101865
Join Date: Nov 2005
Chapter/Region:
NWIC
Location: Covington, WA
Vehicle:88 GL-10 STi silver |
I am running a Ebay bellmouth downpipe, and i made the rest from 3" exhaust tubeing i found...
Quote:
-=Suberdave=- |
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12-31-2008, 10:25 PM | #5 |
Scooby Specialist
Member#: 1818
Join Date: Jul 2000
Location: San Francisco
Vehicle:03 1996 Impreza Wa Soon to be a v3 STI |
want to sell your Z4?
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12-31-2008, 11:01 PM | #6 |
Scooby Specialist
Member#: 164172
Join Date: Nov 2007
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NWIC
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Vehicle:97 OBS EJ20G ZILLA 87 GL |
wow... nice... 35hp gain on a tune...
future plans?! |
01-01-2009, 12:13 AM | #7 |
n00b Moderator
Moderator Member#: 811
Join Date: Jan 2000
Location: WA
Vehicle:2000 RS-Ej20G It tastes like burning |
Would it be fair to say that 95% of the power gain was going from 11 to 16psi?
-Rob |
01-01-2009, 01:05 AM | #8 | |
Scooby Specialist
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Join Date: Nov 2005
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Quote:
the Z4 ECU that i got with the engine was set at 15PSI. that is what it has been running since i installed. this is all in the tune... -=Suberdave=- |
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01-01-2009, 01:20 AM | #9 |
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Rob... any dyno #'s on your chipped setup? I would love to see how it fares against the Z4 and vipec... I believe you said you are at 16.5 psi. I ask because I am still looking into either chipping or full em and staying with the td05.
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01-01-2009, 01:28 PM | #10 | |
n00b Moderator
Moderator Member#: 811
Join Date: Jan 2000
Location: WA
Vehicle:2000 RS-Ej20G It tastes like burning |
Quote:
Any WB data? The Z4 was chipped to get over the boost cut? Are those the '04 STi injectors? Was the Z4 running those injectors and if so, was it tuned for them? blkgm8: No numbers from my setup. I won't think about hitting the dyno until I finish the 550 injector tune. Maybe next time Dave heads to the dyno, I can work something out for him to swap out ECUs for a comparison... -Rob |
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01-01-2009, 01:46 PM | #11 | |
Scooby Specialist
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Join Date: Nov 2005
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Quote:
-=Suberdave=- |
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01-01-2009, 04:58 PM | #12 |
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[
blkgm8: No numbers from my setup. I won't think about hitting the dyno until I finish the 550 injector tune. Maybe next time Dave heads to the dyno, I can work something out for him to swap out ECUs for a comparison... -Rob[/quote] That would be a nice comparison... One more question... Suberdave... When using the 04 sti 550's. I am assuming you are using some sort of rail modification. Such as the collar adapters, or some other rails, Or... are you somehow getting them to work with the factory 20g rails? I know this has been beatdown in the injector fits thread, but Just wanted to know if someone actually does have sti 550's working in a stock rail. |
01-01-2009, 06:40 PM | #13 |
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I know the graph says uncorrected but what was the correction factor really?
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01-01-2009, 10:16 PM | #14 | |
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Quote:
I'm still scratching my head on the 1.1bar Z4 ECU. That's what you'd expect from an STi ECU, not a stock sedan ECU. Are you sure that ECU isn't chipped? Have you ever cracked open the case? |
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01-02-2009, 12:42 AM | #15 |
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i will try to get some more data this weekend... corrected data and boost lines.
the boost is not as stable as i would like to see. but it peaks right around 16PSI. i have cracked open the ECU, from what i can see its not chipped... -=Suberdave=- |
01-02-2009, 01:00 AM | #16 |
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One more question... Suberdave... When using the 04 sti 550's. I am assuming you are using some sort of rail modification. Such as the collar adapters, or some other rails, Or... are you somehow getting them to work with the factory 20g rails?
I know this has been beatdown in the injector fits thread, but Just wanted to know if someone actually does have sti 550's working in a stock rail. Last edited by blkgm8; 01-02-2009 at 01:03 AM. Reason: similar question asked.... |
01-02-2009, 11:23 AM | #17 | |
Scooby Specialist
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Quote:
http://www.fecker.co.uk/scooby/product.php?id=2 -=Suberdave=- www.suberdave.com |
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01-02-2009, 08:26 PM | #18 |
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corected numbers with boost line...
red = ViPEC Blue = Z4 -=Suberdave=- |
01-03-2009, 01:57 AM | #19 |
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[quote=Matt Monson;25025308]I'm still scratching my head on the 1.1bar Z4 ECU. That's what you'd expect from an STi ECU, not a stock sedan ECU. QUOTE]
max boost registered at 18.72 PSI and as you can see on the graph, it never hit any kind of fuel cut... -=Suberdave=- |
01-03-2009, 02:38 AM | #20 |
n00b Moderator
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Join Date: Jan 2000
Location: WA
Vehicle:2000 RS-Ej20G It tastes like burning |
Fuel cut defenser on the MAP signal? Some funny business is going on with your stock ECU
Back to the tune....where would you say you found the most power on top, fuel or timing? Have you looked your MAF voltage? I bet you are pretty close to the flow limit. -Rob |
01-03-2009, 12:10 PM | #21 |
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no FCD on my MAF, wiring is all stock.
found more power with timeing in the mid range, witch translated to more power in the top end also. if we added fuel, the power dropped. not a lot but enough to make it unnessacery to add any more. i just looked at one of my older logs. with the ViPEC, TPS 100%, RPM 8640, Iinector DC 86%, timing 20.2, MAF 4.75v. so yeah it is maxing out the MAF. this is with the ViPEC not the Z4, but i would assume it would be about the same... good thing the ViPEC uses primarerly MAP not MAF. -=Suberdave=- |
01-06-2009, 12:15 AM | #22 |
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01-06-2009, 04:31 PM | #23 |
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interesting....
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01-13-2009, 08:17 PM | #24 |
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Congrats!!
Nice numbers...! But im here to help...a lil. I have a close setup to yours as in i have a 95 v2 wrx motor w/td05. Now i also have a Z4 ecu, and my boost peak is the same as yours somewhere in the region of 16.5-18 psi. So use that info if ya need it for reference. Setup in installed in a 2000 coupe. and im keeping and eye on this to see what kind of gains come out once your fully tuned and dialed in.
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01-13-2009, 08:20 PM | #25 | |
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Quote:
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