LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Is a 95 OBD I or OBD II PCM??

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Old Jun 22, 2003 | 02:00 PM
  #1  
mike445's Avatar
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From: Wasaga Beach, ON (formerly Ft. Lauderdale,FL)
Question Is a 95 OBD I or OBD II PCM??

I have a 95 Z28. Is my PCM OBD I or OBD II? WIll I have problems installing a 3000 stall convertor? I've heard there have been problems. Just wondering. Thanks y'all.

Mike
Old Jun 22, 2003 | 02:03 PM
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From: newton, kansas, USA
it is OBD1
Old Jun 22, 2003 | 02:53 PM
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OBD1 and has a nifty OBD2 connector to plug into.

Old Jun 22, 2003 | 06:30 PM
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Thanks much. WIll I have problems with a stall converter above 2800? I was looking at a 2800 or 3000 stall speed.

Mike
Old Jun 22, 2003 | 07:03 PM
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From: Milledgeville, Ga USA
Acutally a '95 could be OBDII if it was made in Cali...my friend has a Cali model 95 Z28 and it has dual cats, and a OBDII computer! Just thought I would though that out!
Old Jun 22, 2003 | 07:06 PM
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Originally posted by TransAmGT
Acutally a '95 could be OBDII if it was made in Cali...my friend has a Cali model 95 Z28 and it has dual cats, and a OBDII computer! Just thought I would though that out!
No, no 95s are OBDII. The Cali models have dual cats, but they still have an OBDI PCM.
Old Jun 22, 2003 | 07:14 PM
  #7  
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From: Cleveland,OH
Correct no OBD11 in '95. Look at the emission sticker on the radiator support, it will say OBD1.

http://csce.uark.edu/~jgbertr/rb/obd_info.jpg
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