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Thread: spark map for forced induction????

  1. #1
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    Default spark map for forced induction????

    Does anyone have a spark map that they wouldn't mind sharing w/ me?

    I took my LSx powered Chevelle to the track last night and am just a little disappointed with the performance and am pretty sure that it has to do with timing, considering I'm seeing any where from -6 to 0 degrees of timing while making boost.

    I basically converted the stock 6.0L file to COS3, made all of the necessary changes for SD, including the Boost VE table, etc... but did'nt make any changes to the Spark tables. Additionally I was pulling timing via A0010 Boost timing table. DOH!

    I'm obviously a noob at forced induction tuning and still with EFILive, but I got my VE tables dialed pretty good with the runs that I did.

    Anyways, if anyone doesn't mind sharing their tune to give me a place to start as far as spark tables go it would really help me out. Next test 'n tune next friday

    Max
    98 Chevy truck RCSBFS 2wd/5.7L/4L60E:drive:/Paxton Novi 2000 S/C @ 7psi / Megasquirt
    72 Chevelle LQ9/4L80E/GT42 conversion in the works
    http://www.ls1tech.com/forums/showthread.php?t=449129

  2. #2
    Senior Member
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    May 2006
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    Default

    here try this one
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  3. #3
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    Thanks John, I'll let you know how it works out
    98 Chevy truck RCSBFS 2wd/5.7L/4L60E:drive:/Paxton Novi 2000 S/C @ 7psi / Megasquirt
    72 Chevelle LQ9/4L80E/GT42 conversion in the works
    http://www.ls1tech.com/forums/showthread.php?t=449129

  4. #4
    Senior Member
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    May 2006
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    not a problem Max, definetly let me know how it runs
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  5. #5
    Senior Member
    Join Date
    Oct 2005
    Posts
    175

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    Quote Originally Posted by vatman02
    here try this one
    Which one? Same issue here !
    2005 RCSB 2500HD GMC Sierra DURAMAX LLY
    1955 Chevy Truck 1st series, being restored
    2002 Mercedes C270 CDI

  6. #6
    Senior Member
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    May 2006
    Posts
    165

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    pm me your email address and ill send it to you
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  7. #7
    Senior Member
    Join Date
    Oct 2005
    Posts
    175

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    Got some positive feedback on the spark table you sent. Thanks. Noticed some slight KR (up to 1.8&#176 at light load 2000-2600rpm @ 0,55-0,8g/cyl
    Will reduce the spark table in that area to see if that cures it.
    2005 RCSB 2500HD GMC Sierra DURAMAX LLY
    1955 Chevy Truck 1st series, being restored
    2002 Mercedes C270 CDI

  8. #8
    Senior Member
    Join Date
    May 2006
    Posts
    165

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    glad to be of service
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

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