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stock tune sucks

This is a discussion on stock tune sucks within the Computer & Tuning forums, part of the LSx Technical Help Section category; i just got back from a test drive with my scanner did a snap shot of a holeshot to 90 ...

  1. #1
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    stock tune sucks

    i just got back from a test drive with my scanner did a snap shot of a holeshot to 90 mph and 5500 to 6k the timing was only 18-21 so is the curve that bad or is it that lean i'd like to see how she'd run with at least 34-36 oh yeah my cars a m6 w/ cai and cb basicly stock

  2. #2
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    '02 WS.6 / '07 Suburban

    Was the PCM pulling timing due to knock?

  3. #3
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    not sure have to look again see if it show the knock retard kinda agravating knowin that much is left on the table

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    Veteran 0rion's Avatar
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    I would have to look at see what the stock table looks like for an 01 because I don't know off the top of my head but probably maxes at 24ish. Keep in mind these motors don't need a whole lot of timing. 28-30 degrees is usually plenty even for a cammed car.

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    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by SSDEUCE View Post
    .... i'd like to see how she'd run with at least 34-36 ..k
    ??It's not small block chevy! It will knock until it falls apart if you run that kind of timing.

  6. #6
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    ah good to know i run 38-40 in my 355 and 406 sbc's so its more lika a ford my buddys ford likes that kind of timing

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    LSwut tep98ws6's Avatar
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    a lot of the time once you start to add timing and you keep on adding it, you will start to lose HP rather than gain it. and get a pretty impressive knocking/cackling noise then probably set off the knock sensors/MIL like crazy.

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    GROUND KONTROL C.C. CEO SSMuscle's Avatar
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    Quote Originally Posted by tep98ws6 View Post
    a lot of the time once you start to add timing and you keep on adding it, you will start to lose HP rather than gain it. and get a pretty impressive knocking/cackling noise then probably set off the knock sensors/MIL like crazy.

    Hey I get this cackling noise, and it happened after a guy did my tune. I asked him if it was the tune that gave me this tapping noise, and he insisted it was a mechanical prob.

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    LSwut tep98ws6's Avatar
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    Quote Originally Posted by SSMuscle View Post
    Hey I get this cackling noise, and it happened after a guy did my tune. I asked him if it was the tune that gave me this tapping noise, and he insisted it was a mechanical prob.
    Pushrod engines/LS engines are notorious for that noise. Chances are it may be a pushrod which may be bent on account of too advanced timing. If it is that, it's a pretty easy fix, but I would ask your tuner about where he has the tune adding/removing timing first before doing anything. Do you have a check engine light on?

    Anyone with more tuning experience feel free to correct me as I am a tuning n00b!

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    Veteran 0rion's Avatar
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    Quote Originally Posted by SSMuscle View Post
    Hey I get this cackling noise, and it happened after a guy did my tune. I asked him if it was the tune that gave me this tapping noise, and he insisted it was a mechanical prob.
    I don't want to hi-jack the original posters thread so start a new thread with this question and tell me when it does it. Idle, part throttle load, or wot? and can you get any more descriptive than cackling?

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    LSwut tep98ws6's Avatar
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    Quote Originally Posted by 0rion View Post
    I don't want to hi-jack the original posters thread so start a new thread with this question and tell me when it does it. Idle, part throttle load, or wot? and can you get any more descriptive than cackling?
    Oh man! I thought I was talking to the OP the entire time! My bad! Both their names start in SS

  12. #12
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    go with it yall i was just throughin what i saw out there for all open thoughts and experiences

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    GROUND KONTROL C.C. CEO SSMuscle's Avatar
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    question has been continued here...............thanks.

    http://www.ls1.com/forums/showthread...69#post2127269

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    Senior Member mrr23's Avatar
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    FYI here's your high octane timing table. you were most likely in the .80 - .84 cylinder airmass row


  15. #15
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    thats some cool info now what is the .80-.84 airmass exactly is it kinda the efficency of the engine

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    Senior Member mrr23's Avatar
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    dark bowling green
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    that's how many grams of air that's going in per cylinder

  17. #17
    Master Tech SSDEUCE's Avatar
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    navy blue metalic
    2001 camaro ss

    so the bigger the number more air basicly leanin it out backin the timing down

  18. #18
    Senior Member mrr23's Avatar
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    dark bowling green
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    pretty basic.

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