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OBD-I vs OBD-II tuning

This is a discussion on OBD-I vs OBD-II tuning within the LT1 forums, part of the Vehicle Specific category; Is there any major pros/cons to performance tuning either? Assuming I wanted to swap in one, I'm curious if there's ...

  1. #1
    Junior Member
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    Nov 2005
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    Texas
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    OBD-I vs OBD-II tuning

    Is there any major pros/cons to performance tuning either?
    Assuming I wanted to swap in one, I'm curious if there's an
    obvious preference towards one of them over the other. It
    would be going into my old OBD-I truck, should I swap one.
    Scott Moseman
    Turbocharged 4.3 S10

  2. #2
    Senior Member 5.0THIS's Avatar
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    Oct 2001
    Location
    Colorado
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    red
    95 Z28

    If it is already OBD1, I would just stick with OBD1. Probably end up being simpler that way, and either way you'll be able to tune the PCM just fine.

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