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03-13-2006, 10:56 AM | #1 |
Scooby Newbie
Member#: 41719
Join Date: Aug 2003
Chapter/Region:
MWSOC
Location: LANSING, MI
Vehicle:XT, SVX, JUSTY & GF8 STI V4 RA |
standalone on V4
thinking about standalone, I know I can get an apexi power fc for my V4 STi
Also thinking about rewiring and putting a wrx ecu in there w/ access port. Only problem I can think of would be the fact that 02 wrx uses individual coils. Any thoughts on this? that or just getting one of those pro m maf converters thoughts, comments, please post
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03-13-2006, 11:24 AM | #2 |
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region:
RMIC
Location: Teh Ghetto Garage, CO
Vehicle:99 2.5RS, '85 911 '73 914 and 2012 BRZ |
The problem with using a modern USDM ECU is going to be the cam gears and trigger points. I used to think this would be a fairly straight forward conversion to run an older JDM engine, but some digging suggests otherwise.
I don't think it would be impossible, but the cam diameter of the newer engines is larger and you can't just swap the cam gears over. Finding a way to make your cam gears have the proper trigger points will be the greatest challenge... |
03-13-2006, 12:34 PM | #3 |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
intersting ... about the cam diamater ..
there are at least 2 other brands of plug n play for the v4 link and autronic |
03-13-2006, 10:19 PM | #4 |
Scooby Newbie
Member#: 51047
Join Date: Dec 2003
Chapter/Region:
MWSOC
Location: Hart, Michigan
Vehicle:1999 gc8 RS/sti-ra White |
I found link around 1500 and autronic around 1900. What is different between these brands? I heard something about autronic being able to learn like the stock ecu.
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03-13-2006, 11:17 PM | #5 |
Scooby Specialist
Member#: 2258
Join Date: Sep 2000
Chapter/Region:
Tri-State
Location: Irvington, New York, USA
Vehicle:1999 gc8 ver7 6mt GT35R 504.7whp;) |
Have you considered getting a cheaper used standalone and wiring it up in parrallel with the stock ecu to retain stockish driveability. What you'd do is have the 'standalone' control the fueling and spark and let the stock ecu retain the rest (idle, AC, etc.)
Just throwing it out there as it could be a cheap alternative that retains some nice features of the stock ecu. This used to be done with good success in the older Turbo RS days with a TEC 2. Louis |
03-14-2006, 12:29 PM | #6 |
Scooby Newbie
Member#: 41719
Join Date: Aug 2003
Chapter/Region:
MWSOC
Location: LANSING, MI
Vehicle:XT, SVX, JUSTY & GF8 STI V4 RA |
i thought they stopped making the tec2 a while ago?
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03-14-2006, 01:23 PM | #7 | |
Scooby Specialist
Member#: 2258
Join Date: Sep 2000
Chapter/Region:
Tri-State
Location: Irvington, New York, USA
Vehicle:1999 gc8 ver7 6mt GT35R 504.7whp;) |
Quote:
Louis |
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03-14-2006, 01:45 PM | #8 |
Scooby Guru
Member#: 13617
Join Date: Dec 2001
Chapter/Region:
MWSOC
Location: MN
Vehicle:2001 Legacy GT back to stock is a project too |
i would say look into the Autronic, they have plug in applications for the earlier motors. they are great ecu's.
www.autronic.com Ben |
03-14-2006, 02:07 PM | #9 |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
yeah negitiev vote on tec 2
the tec 3 on the other hand has plenty of features ... the autronic has an autolearn feature that works with an lm-1 or autronic wideband .. you set open loop and closed loop targets instead of setting fuel duty cycels then drive around .. pretty cool.. the hydra does this too |
03-14-2006, 02:23 PM | #10 |
Scooby Specialist
Member#: 66739
Join Date: Jul 2004
Chapter/Region:
MWSOC
Location: Medina, Ohio
Vehicle:2002 WRX wagon silver |
jaxx- are you running your tec2 with stock ecu, or standalone, or??? and what does the tec3 do beyond tec2 capabilities? im on the V4 bandwagon too, and would like to get more info about whats possible with using multiple em devices together. any more info helps even a lil. TIA!
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03-14-2006, 02:24 PM | #11 |
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region:
RMIC
Location: Teh Ghetto Garage, CO
Vehicle:99 2.5RS, '85 911 '73 914 and 2012 BRZ |
OK,
Going a little OT here, but say someone acquires a V4 or some other swap without ECU. Could they realistically take the plug in Autronic replacement and use it, as long as they got the connectors (legacy turbo is the same) and wired it up properly? I ask because of the cam issues I mention above and my desire to run my RS-RA on a tuneable ECU... |
03-14-2006, 02:40 PM | #12 |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
kheff. both ecus
tec2 controlls fuel and timing stock ecu controls cluster/fuel pump/fans/relays - stuff the tec 2 could do the tec 2 is 8x8 the tec 3 is 16x16 and has a ton more inputs and outputs (close loop boost control/wideband closed loop) one thing about the tec 2 its not a pretty setup, the wiring is all at the coil unit making in (my case) a rats nest of wires matt sure .. or the link or the pfc . .that said the base map could be bad or good.. with the link or autronic .. you won't even need the maf, but will need to run a vaccume line to the ecu |
03-14-2006, 02:53 PM | #13 |
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region:
RMIC
Location: Teh Ghetto Garage, CO
Vehicle:99 2.5RS, '85 911 '73 914 and 2012 BRZ |
I've got a local tuner who knows the autronics, so I am not too worried about the base map. We can make it work...
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03-14-2006, 04:44 PM | #14 |
Scooby Specialist
Member#: 66739
Join Date: Jul 2004
Chapter/Region:
MWSOC
Location: Medina, Ohio
Vehicle:2002 WRX wagon silver |
jaxx- is the tec 3 better looking than your cluster**** you have now? (wired in at coil also)? and what is the best supplement to the V4 ecu thats currently avail. in your opinion? i'd like something that can handle basic upgrades but is capable of much more. sorry about the hijack fellas!
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03-14-2006, 05:02 PM | #15 |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
cleaner install than tec2-- yes, considreably..
more expensive than a autronic by $600+ --yes (and need an install kit that isn't made any more (vishnu) plug n play like autronic,link,pfc --no a non plug n play sm2 or sm4 is a good option too i know gary cavett (subiegals better half ) runs a autronic in his ej20G based rally car matt pull down the autronic software and play with it is very envolved... |
03-15-2006, 03:42 PM | #16 |
Scooby Specialist
Member#: 66739
Join Date: Jul 2004
Chapter/Region:
MWSOC
Location: Medina, Ohio
Vehicle:2002 WRX wagon silver |
thanks for the info jaxx!
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