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Thread: Habit I'd like to BREAK!!!!

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  1. 11-24-2008 06:46 PM #1
    1BADC10's Avatar
    1BADC10
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    Habit I'd like to BREAK!!!!

    Once again... my truck's beggin' for me to give it a rest. :judge:

    Click there ---> 13-Second Pass (No Video, Sorry)

    Click there ---> Tapping/Knocking Noise (Video Clip)

    Drove it there, and it ran consistent 13.6 - 13.7 second runs (6 times). Number 7 crippled the motor. :bomb: Dunno what happened just yet, but there's a terrible knock on the top, driver side of the motor. Hoping the bottom-end is undamaged, but there's no telling 'til I have time to pull it apart.
    'Twas fun to see it run solid for a while. Yup, she left the track on this



    Not to jynx myself even more, but unless there's a new motor going in, that'll probably be the last time it sees a track... there's not much more I can AFFORD to make it faster than it ran.... at least not as fast as I wanna make it.
    Last edited by 1BADC10; 11-25-2008 at 05:55 AM.
    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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  2. 11-24-2008 06:48 PM #2
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    GasGuzzler
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    It will be OK. Let's hope that's a rattle or tap and not a knock....a top end knock is worse than a bottom end rattle....LOL
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  3. 11-24-2008 07:00 PM #3
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    It increases/decreases with RPMS... goes quiet for a couple seconds, then comes back loud. Maybe I'll take a video clip of it, and post it for a trivia challenge. LOL

    Guess what's causing the knock! LMAO
    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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  4. 11-24-2008 07:02 PM #4
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    Flat cam lobe or failed lifter...
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  5. 11-24-2008 07:27 PM #5
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    Quote Originally Posted by GasGuzzler View Post
    Flat cam lobe or failed lifter...
    +1

    Junkyard 5.3 milled heads 200 shot, built 4l80e with circle D 4000 multi disc converter
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  6. 11-24-2008 07:24 PM #6
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    failed lifter was the last thing a buddy and I said before loading it on the trailer. Only additional thing to worry about is if it IS a failed lifter, did it damage the cam? If that's the case, got a set of stock lifters out of my '02 Yukon 5.3L oiled up, and ready to go in. Just have to invest in another cam... assuming cam bearings are fine too.


    Aww hell... this is getting expensive. LOL
    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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  7. 11-24-2008 07:29 PM #7
    skeet
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    whichever it is bro i hope its only minor, good luck on your investigation lol
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  8. 11-24-2008 08:58 PM #8
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    yeah good luck man, try and get a video up, I also got a top end tap I would love to get diagnosed.
    02' 5.3 ECSB| Nelson 93 Tune | 212/218 Cam | Circle D 3200 | LPP lt's w/ ORY | Volant CAI | Magnaflow | Raceready Cutout | Belltech 2/4 | JL Audio |
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  9. 11-24-2008 09:03 PM #9
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    Im sorry dude.That sucks!But you know it was worth it! LMAO!
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  10. 11-25-2008 05:56 AM #10
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    Quote Originally Posted by COWL327 View Post
    Im sorry dude.That sucks!But you know it was worth it! LMAO!
    Bah!!! A 12-second pass would've been WORTH it!

    Video clip of tapping/knocking added to fist post! Let the speculating begin.
    Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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