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Old 07-10-2003, 02:48 PM   #1
Subie Gal
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Default Has anyone removed the Speed Limiter on a 93-97 Impreza 2.2/1.8?

someone contacted me for "how to"

and i've not done this... no idea...
did some searches.. no conclusive answers....

anyone? gang?

not something i'd condone...
but this is for 'track days'/events etc...
yes.. with a 2.2...

cheers
Jamie
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Old 07-10-2003, 03:16 PM   #2
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I thought that all spped limiters were programmed into the ECU. In order to remove them wouldnt you have to reprogram your ECU or get a different one? I dont know thats just what I assumed.
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Old 07-10-2003, 03:16 PM   #3
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Jamie, buy a ProECM
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Old 07-10-2003, 03:54 PM   #4
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i am not sure guys
i've never had an interest in doing this....

but i'm just trying to LEARN...
so that i can assist another member...
as well as gain this useless trivia knowledge

thanks gang....

i'll do some more digging.
Jamie
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Old 07-10-2003, 03:58 PM   #5
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Seriously, the ProECM removes the limiter but I'm unsure how. You may want to talk to Larry Ganz or IWTU electronics (makes both the Torque Chip and the ProECM).
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Old 07-10-2003, 06:20 PM   #6
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not all cars have the speed limiter in the ecu. my friend has a escort zx2 hes been tuning for some time (yes i know...its lame but whatever) and he sliced in a switch for the governor directly into a white wire under the cupholders and that does it.
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Old 07-10-2003, 06:24 PM   #7
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Quote:
Originally posted by NimrodBoz
not all cars have the speed limiter in the ecu. my friend has a escort zx2 hes been tuning for some time (yes i know...its lame but whatever) and he sliced in a switch for the governor directly into a white wire under the cupholders and that does it.
If im not mistaken that wire is still a part of the ECU.
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Old 07-10-2003, 08:17 PM   #8
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they put speed limiters on the ej18 and ej22? bwahahahhaa... i swear my 1.8L barely made it to 100 (and that was downhill)

~~Quentin
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Old 07-11-2003, 03:13 AM   #9
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If it is a 96+ you can use the OBD-II port to reprogram it without the limiters I believe.
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Old 07-11-2003, 09:05 AM   #10
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Just out of curiousity, does anyone know what the limiter is actually set to on a 2.2L Impreza? Would it actually be worthwile going through the trouble to remove it since it's likely set close to where the car maxes out anyway?
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Old 07-11-2003, 10:23 AM   #11
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Contact "wac" (Wayne Chin). He's done this on his 97 OBS, even going so far as to put in a switch.
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Old 07-25-2003, 11:55 PM   #12
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there's a speed limiter? What's the cutoff? It must not exist on the RS cuz i've had mine over 130 and approaching redline in 5th
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Old 07-26-2003, 06:19 PM   #13
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well, if its the same limiter used on the 99 EJ22, then its 110 mph indicated. And with slight mods, thats nowhere near max.
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Old 07-28-2003, 06:50 PM   #14
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There's no speed limiter on the RS.
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Old 07-29-2003, 09:40 AM   #15
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Yes there is, 5th gear
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Old 07-29-2003, 08:26 PM   #16
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You could use the Apex'i Rev/Speed meter. You can set it up so that it intercepts the speed signal, and tells the ECU that it is still under the limiter, or something.

Anthony C
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Old 07-31-2003, 05:49 PM   #17
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yeah I was going to say its something like
drag increases at exponential rate relative to velocity
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Old 08-08-2003, 09:06 PM   #18
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Quote:
Originally posted by quentinberg007
they put speed limiters on the ej18 and ej22? bwahahahhaa... i swear my 1.8L barely made it to 100 (and that was downhill)

~~Quentin
LMAO I was thinking the same thing.. a speed limiter on a 1.8L
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Old 08-09-2003, 05:46 PM   #19
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Wow, I didn't know there was a speed limiter on the 2.2l. So it is around 180kph. I guess I never have achieved such an excessive velocity. I have seen around 170 at a track day but ran out of straight.
That kind of speed would require a long time to achieve.
I am curious to see the answer though.
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Old 08-09-2003, 07:22 PM   #20
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I have gone 127 in my AWD 95 L. Was I close to the cutoff?
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Old 08-10-2003, 12:41 AM   #21
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I have no idea, I cant get past 95 on the speedo.
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Old 08-10-2003, 12:44 PM   #22
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Quote:
Originally posted by Kostamojen
I have no idea, I cant get past 95 on the speedo.
On flat road?

The 2.5L is a little better but it will take a Loooong time just to Hit 120 on the speedo.
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Old 08-11-2003, 12:44 AM   #23
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Yes, I certainly didn't get to ~127 in a hurry
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Old 08-11-2003, 12:52 AM   #24
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I really did not think that there was a limiter. My friend has a 2001 2.2l L wagon automatic and ive seen it over 120 MPH. My 95L AWD has been to 127 and i was almost out of 5th gear before i lifted. As far as i know on my 1.8ECU its only limited by the rev limter in 5th. therefor by removing the rev limiter the speed limiter would eb removed.
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Old 08-11-2003, 02:02 AM   #25
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Quote:
Originally posted by SubaruImpreza_power


On flat road?

The 2.5L is a little better but it will take a Loooong time just to Hit 120 on the speedo.
Actually it was downhill when I was trying... 5th gear just kills my car
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