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Thread: 02 Blazer 4.3 File

  1. #1
    Tuner in Training
    Join Date
    Jun 2016
    Posts
    22

    02 Blazer 4.3 File

    Hello,

    Looking for a tune file to improve performance on a 02 Blazer with 4.3 liter.

    TIA

    Rick

  2. #2
    Tuner in Training
    Join Date
    Jun 2016
    Posts
    22
    Pretty please?

    I am willing to pay for a file.

    Rick

  3. #3
    Tuner in Training
    Join Date
    Jan 2021
    Location
    Fayetteville NC
    Posts
    11
    best bet is to maybe add 2 degrees of base timing and turn up your shift pressures, not much power to squeze out of the factory 4.3