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Thread: Couple questions on the new tune.

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  1. #1
    Join Date
    Aug 2007
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    754

    Couple questions on the new tune.

    When it's warm I have to crank it for at least 5 seconds before it starts.

    In OD when the converter goes into lockup, if i'm cruzin below 2 grand with a tiny bit of load, the rpm goes up and down about 300 rpm. Like it's not keeping a solid lock up.

    Those are questions... kinda lol. Thanks.

  2. #2
    Join Date
    Nov 2007
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    Pittsburgh, PA
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    whos tune?

    walboro or stock? sometimes with walboros you need to cycle key first before firing as not all of them have check valves
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
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    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
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    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

  3. #3
    Join Date
    Jan 2011
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    Mcalester,okla.
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    i have a 05 65 e with 6.0 and sd tune, did the same thing till i put a transgo hd 2 kit in valve body or u can just put the po 1870 eliminator kit in the luckup so when it goes in its 100% lockup, what ur feeling is the lockup slowely going from 30% on up , if not fixed it will throw a trns slipe code

  4. #4
    Join Date
    Aug 2007
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    754
    Nelson's tune. Walbro. I always cycle the key before I start it. It's got good fuel pressure when cranking.

    Sounds like it may need this po 1870 kit. I'll search it.

  5. #5
    Join Date
    Aug 2007
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    754
    Quote Originally Posted by LQ9_Z71 View Post
    i have a 05 65 e with 6.0 and sd tune, did the same thing till i put a transgo hd 2 kit in valve body or u can just put the po 1870 eliminator kit in the luckup so when it goes in its 100% lockup, what ur feeling is the lockup slowely going from 30% on up , if not fixed it will throw a trns slipe code
    So it looks to me like what you're talking about is a new TCC solinoid. I don't even care If I just have a lockup switch inside the cab. Can someone tell me how to do that?
    Last edited by EmmerichLSx; 04-25-2011 at 04:18 PM.

  6. #6
    Join Date
    Mar 2003
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    San Antonio, TX
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    Post Ur mods. Could be a couple different things. As for the tcc, we can try to increase a table.

  7. #7
    Join Date
    Aug 2007
    Posts
    754
    Quote Originally Posted by farmtruc View Post
    Post Ur mods. Could be a couple different things. As for the tcc, we can try to increase a table.
    Iron LS1, 9.5:1, 4" CAI, stock MAF, stock 5.3 heads, stock intake, LT's, ORY, comp xr257hr, 48# injectors, single walbro 255, -8 feed, -6 return, did the fuel lines for when it had a turbo.

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