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Thread: 545rfe tune

  1. #1
    Tuner
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    Sep 2021
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    545rfe tune

    Hey guys I have a 73 Challenger with a 6.1 /545 combo and as it seems to run well on the engine side , Id like to improve its shifting and make it more "crisp" plus slightly more firm. Can you guy look over my current and guide me in the right direction?

    Thank you much in advance !
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  2. #2
    Banned
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    Jan 2022
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    fountain valley
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    sorry i could not help you with that part of your tune

    i am not about to cause anyone parts breakage so i don't pretend to have experience where i do not

    i do not have any experience tuning that transmission or it's OS

    purple ram or one of those guys surely do : )

  3. #3
    Tuner
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    Sep 2021
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    Yorba Linda
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    114
    Quote Originally Posted by LilSick View Post
    sorry i could not help you with that part of your tune

    i am not about to cause anyone parts breakage so i don't pretend to have experience where i do not

    i do not have any experience tuning that transmission or it's OS

    purple ram or one of those guys surely do : )
    Not a worry there as I was saying it runs pretty well, so you did your part as it runs much better. Only thing it surges a little when put in gear before it gets up to operating temp. After that, it doesn't do that and runs fine. I just wanted to get the trans a little better on the shifting side as it still feels kind of sloppy and lazy