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Old 04-30-2002, 10:12 PM   #1
credit xtc
Scooby Specialist
Member#: 5221
Join Date: Mar 2001
Location: philly.
m3 540it, xt-6 sc
black,white,gray pearl

Default Which Engine management system

I am rebuilding my subaru 1989 xt-6 it has a 2.7 ltr 6cly. The car has been repainted and the engine is apart.
Supercharger... Wiesco low compression pistons and reground factory cams also Port and polish...ect. I was hoping to use the AEM race system but I was told it may not be out till the end of this year. Now I need engine managent system.. Motec 800 ? motec m4.. GEMS?.. Linkplus?
If any engine builders are out there and have used these systems what the best one for my needs. The car will be a street car and a track car so we will try to mintain everyday drivability.
I want to use the exising sensors if at all possible.
pictures link.... http://photos.groups.yahoo.com/group...c=gr%26.view=t
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Old 05-01-2002, 12:29 AM   #2
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Member#: 7113
Join Date: Jun 2001
Chapter/Region: TXIC
Location: Minnesotan in Texas
2008 Spec B


At $1300 for an all-inclusive Haltech kit that should definitely be on your list of possibilities. Kit is pretty much universal and will use some stock sensors and comes with its own others. Only thing I'd worry about is the idle control motor, but it may work with it. Dunno what's in an XT motor, but the guy who helped me install my Haltech drives an XT so he may know.

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Old 05-01-2002, 09:47 AM   #3
credit xtc
Scooby Specialist
Member#: 5221
Join Date: Mar 2001
Location: philly.
m3 540it, xt-6 sc
black,white,gray pearl


I thought thte problem with haltech is that they use gm sensors and that means I can't use any of the original wiring harnesses or sensors, lots more work lots more money. Also the race prep shop I use had an electrical fire in there race car due to haltech mil spec wiring which doesn't hold upwell to high heat. And I still want AC since this is a street car
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Old 05-01-2002, 10:22 AM   #4

Member#: 922
Join Date: Feb 2000
Chapter/Region: MWSOC
Location: Schaumburg, IL
04 FXT


Let me start out by saying... Holy crap! That car is going to tear up the road!!

The Haltech uses only 2-3 GM sensors and will utilize the rest of the stock sensors, as far as I know. You can actually calibrate it to use the stock sensors as well, as the sensors that are replaced are coolant temp. and ... errr, I forgot the other. But the third sensor it needs is Intake Air Temp. which is an additional sensor rather then replacing one, so an extra 2-3 wires for that. It's not too bad.

There are lots of possibilites, though... you need to look around and decide what all the features you will be needing and decide from there. Keep us up to date on the car, though... sounds like it'll be damn fun!
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