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Thread: Avcs

  1. 04-02-2019, 12:46 PM #1
    Edsnextproject
    Edsnextproject is offline
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    Avcs

    New to forum. Just ordered my kit, today.
    Planned on buying 07 engine and trans? What are benefits or negatives with AVCS? Which model engine is best suited?
    Don’t plan on using a donation car for engine/transmission?
    Thanks in advance for all your imputes.

    Ed
    Last edited by Edsnextproject; 04-02-2019 at 12:48 PM. Reason: AVCS spelling error
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  2. 04-02-2019, 04:14 PM #2
    Bob_n_Cincy
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    Quote Originally Posted by Edsnextproject View Post
    New to forum. Just ordered my kit, today.
    Planned on buying 07 engine and trans? What are benefits or negatives with AVCS? Which model engine is best suited?
    Don’t plan on using a donation car for engine/transmission?
    Thanks in advance for all your imputes.
    Ed
    Welcome to the party Ed.

    My 04 fxt 2.5L engine has single (intake) AVCS. This increases Low to Midrange Torque. Here is my wheel dyno chart on a OEM tune.

    Bob20141007 dom tune006s.jpg
    Last edited by Bob_n_Cincy; 04-02-2019 at 04:19 PM.
    818S #22 Candy Blue Frame, Front Gas Tank, 2.5L Turbo, Rear radiator, Shortened Transmission, Wookiee Compatible, Console mounted MR2 Shifter, Custom ECU panel, AWIC soon
    My Son Michael's Turbo ICE Build X22 http://thefactoryfiveforum.com/showt...rts-818S-Build
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  3. 04-03-2019, 05:58 PM #3
    SpeedEE
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    Good luck with your build Ed - I found this link very helpful in understanding AVCS and designating what type of AVCS (single or dual) https://www.comeanddriveit.com/engin...avcs-explained
    The Pros:
    1) advancing the intake valve timing at low RPMs to increase torque and retarding intake valve timing at high RPMs to increase torque.
    The Cons:
    1) more complex engine management and tuning
    2) another item to troubleshoot or potentially fail

    What ECU are you planning to run for engine management?

    Josh
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