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  #1  
Old 01-21-2003, 12:28 AM
alltrac alltrac is offline
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Top Speed

I hear pre 93 computers have a no governor there fore a higher top speed is this true? also if so can I swap a 92 or 93 in my 96 or will the obd II be a problem
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  #2  
Old 01-21-2003, 12:47 AM
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I've always heard that they all have had governors, but I personally have not had the balls to take mine above 130 on the road and that only once because I wanted to see when it would stop accelerating well. (I've never been to any sort of high speed track, the only type of racing I've done is tight track autocrossing)

What I've always noticed is on almost all cars, the governor is set to the speed rating of the tires that the factory puts on the car. I think that this needs to be done in any computerized car for liability reasons.
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  #3  
Old 01-21-2003, 04:56 AM
LarryIII LarryIII is offline
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Abdominal,

When my '97 LSI was new I took it up to 137 mph (as indicated on the speedo) briefly. I felt that she still had pulling power and would have topped 140. Bring her down from speed is how I originally warped the front rotors. I later had them ground down.

I have never seen anything really official, but in all my ramblings on various SVX sites , I have come to the conclusion that the SVX top speed for 92-93 is 156 mph and 143 mph for 94-97.
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  #4  
Old 01-21-2003, 08:19 AM
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Quote:
Originally posted by LarryIII
Abdominal,

When my '97 LSI was new I took it up to 137 mph (as indicated on the speedo) briefly. I felt that she still had pulling power and would have topped 140. Bring her down from speed is how I originally warped the front rotors. I later had them ground down.

I have never seen anything really official, but in all my ramblings on various SVX sites , I have come to the conclusion that the SVX top speed for 92-93 is 156 mph and 143 mph for 94-97.
Larry is basically correct. '92 and '93 SVXs are only limited in top speed by drag and engine power. '94-'97 SVXs are electronically limited to 143 or so.

'92 and '93 SVXs are also not OBD-II. Personally, I don't see the point in trading your ECU for an older one. I have a '93, and i'd rather have OBD-II than the higher top speed, which I'll probably never see. I've taken mine to 135 and that was enough.
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  #5  
Old 01-21-2003, 08:39 AM
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The '92; '93 run up to around 155 is the rumor and the '94 - '97 are limited at some where between 136 and 145 not sure where.

I never have driven any car over 115 for my own sake so i see no need for a few extra MPH at top speed.
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  #6  
Old 01-21-2003, 07:51 PM
alltrac alltrac is offline
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top speed

so will the 92-93 computer work in my 96 lsi or will there be a problem because of obd II has anyone tried?
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  #7  
Old 01-21-2003, 08:27 PM
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I think the consencus is that no one has tried. I can imagine that the computers are the same, because OBD2 has to set a common code number that older ones did not. I know some manufactures (Ford, Chevy)dealerships have scan tools that can change the top speed limiters. Maybe Subaru can do it too.
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Old 01-21-2003, 08:29 PM
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i'v had my 94 up to 143-144 MPH once.

I don't think OBD-II can be replaced with nonOBD-II.

Something about a 3nd O2 senser after the cats i think.
I could be wrong.
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  #9  
Old 01-21-2003, 08:32 PM
alltrac alltrac is offline
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top speed

dam I think you guys are right I might try anyways maybe if I dont hook up the third o2 I will be alright
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