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Thread: Engine Life

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  1. #1
    Senior Member Carroll Shelby Supercharged111's Avatar
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    Jun 2014
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    Colorado Springs, CO
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    1,149
    I rebuilt mine in 2015, it has 2 full seasons and seems no worse for the wear. If I get fewer than 5 seasons, I'll not be happy. The punkin has to be on its 7th or so season. We don't seem to have a whole lot of issues up here, but we do have thinner air. We have a couple AI cars with LS6s that are at least 5 years old too, but they're unopened stock crate motors.
    RM CMC Director

  2. #2
    Senior Member Grass-Passer
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    Mar 2016
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    Current build is on its 2nd season. Last one lasted ~5 while Wade owned #34.
    Daniel Records
    CMC # 34

  3. #3
    Senior Member Carroll Shelby marshall_mosty's Avatar
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    Mar 2006
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    Denton, TX
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    3,333
    Mine last about 13 1/2 minutes...
    Marshall Mosty
    AI/SI Texas Regional Director
    2011 NASA-TX American Iron Champ
    AI #67 "Mosty Brothers' Racing" (RIP)
    ST6 #21 Toyota Corolla (being revived)...

  4. #4
    Senior Member Carroll Shelby
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    Mar 2012
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    Houston
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    2012-2013 Engine 1: Bought used, threw cometic head gaskets on it, could never get it to hold water in the afternoons; also spun a lifter during comp school and ghetto fixed it. Always ran with one cylinder with 85% leakdown, ended up throwing short block away, kept the heads: 4-5 events

    2013-2014 Engine 2: Picked up and rebuilt a short block, re used my heads, killed due to misfired killing rod bearings, ran with spun bearing too long and smacked a head: 4 events

    2014-2015 Engine 3: Rebuilt #2 (somehow they fixed the head!) Built, killed when I was clutch in, idling, and coasting in to pit after T13/14 at TWS and the front rod bearings starved; I was running too low of an oil level because the guys at Canton are idiots. : 5 events

    2015-2016 Engine 4: Bought morgan's old street car motor, had it built. Ran great until I dropped a valve or fragged a pistion randomly at WOT/high RPM, I had a PCV oil consumption/detonation issue that was fixed a couple days before this happened, never was sure if it was related: 7-8 events

    2017 Engine 5: Acquired LM4 5.3, had it gone through and spent money on real valve springs and hardned locks/retainers. Running great so far, my first LS 5.3: 3 events and counting
    Last edited by Pranav; 04-27-2017 at 02:39 PM.

  5. #5
    Senior Member Grass-Passer y5e06's Avatar
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    Mar 2006
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    East of Driftwood
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    502
    5 engines. lord almighty!
    I wouldn't even be considering an LS swap if one could still find quality new Delphi OPTIs
    Dust Collector

  6. #6
    Senior Member Carroll Shelby
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    Mar 2012
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    Houston
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    Yeah, engine #2 is why I have been cutting open filters before throwing them away: to catch a cheap inaudible problem early before it becomes audible and expensive!

  7. #7
    I haven't gotten more than one event on an engine since I started...

    LT1 - Grass fire TWS 2016
    Junkyard LS1 - Seized on Friday test day for MSRH 2017
    Crate LM7 - Ran good at Cresson, had trans issues. Spun bearing at TWS on Friday test day 2017

    Yeah.. I'm taking a break for a while.

    - Josh

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