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Old 09-26-2008, 08:29 PM   #1
Scooby Specialist
Member#: 164172
Join Date: Nov 2007
Chapter/Region: NWIC
Location: Covington, WA
87 GL

Impreza GC8 Does '94 Ej20G work with STI coils

i have a 94 wrx motor and it has individual coils...i was wondering if the STI coils are compatible with it.. i heard the WRX coils are compatible, but wasnt so sure about the STI ones...

i know u have to cut and solder some wires.. but is it the same wires as the wrx?

if it does work can someone please give me the wiring diagram... or if its really simple can u tell me? thanks.
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Old 09-26-2008, 08:39 PM   #2
NASIOC Supporter
Member#: 177
Join Date: Aug 1999
Chapter/Region: NWIC
Location: Austin, Texas, USA
The 93 W/EJ20K-sold
Subaru-less :(


go to pre2002 forum and read the coil sticky
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Old 10-11-2008, 03:10 AM   #3
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Member#: 115317
Join Date: May 2006
Chapter/Region: NWIC
Location: salem
1992 Legacy SS


they are compatable, their the same coils. far as 02+ wrx's go all the 04+ sti are the same. I have a 95 ej20g that I converted. you dont wanna run the old COP (coil on plug set up) anyway because they are notorious for failure and causing misfires
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