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Thread: Got a new head... how long to wait for dyno

  1. #1
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    Got a new head... how long to wait for dyno

    Well I thought I would ask here since this forum has the most activity for my area. You guys all seem to know a lot about engines too.

    I got my head replaced last week under warranty. While there my dealer installed headers and I have also loaded Predator performance tune.

    How long should I wait to dyno the car? Should I wait a certain amount of miles before running the rpms up that high? I would like to know my HP but more importantly my A/F with the Predator Tune.

    -Patrick
    2003 SVT Cobra
    - Amazon Racing CAI, Borla Stinger
    - Bassani x-pipe
    - Bassani mid-length headers
    - Predator
    - 3.4" SFPHQ

  2. #2
    Vader
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    No need to wait. Usually, the only reason for the break-in is for the rings. You should be ready to drop the hammer!

    SOLD

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