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Thread: injector basics please trying to setup a tune

  1. #1
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    Default injector basics please trying to setup a tune

    I have the injector sheet for these siemen-deka 80lb injector. Its mostly all greek to me since the numbers don't go with what efilive has or im lacking the formula to covert them. I have this one injector voltage offset. I have the numbers for voltage like 6v is 2.811 offset, 8v is 1.77 offset. where do I put it in at cause the row is manifold vacuum(psi). Do I put these number in the 0 psi one. Is so how would I go about getting the rows setup? Also the row name is alittle weird to me is this for pressure above atmosphere?

    I have a tune for the siemen motron 80lb but I don't know if they are the same or not. Looking at that data it becomes even more confusing lol.

    I know some of this is guess work but how would I go about making the corrections based off logs?
    2018 Colorado ZR2 Diesel

    1998 Firebird Transam A4

    Installed: 4l80e with yank 3200 stall, mwc 9in 3.00 gear wavetrac 3in off the sides, wattslink, PCM upgrade, Strano springs, 24 way QA1 front/rear, stainless steel brake hard lines, pst carbon fiber driveshaft, Boyd Harm rims 18x12/18x10(not minitub), kooks 1 7/8 full lenght headers and true dual exhaust, Zainoed

  2. #2
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    80data.pdfheres the data sheet im going off of
    2018 Colorado ZR2 Diesel

    1998 Firebird Transam A4

    Installed: 4l80e with yank 3200 stall, mwc 9in 3.00 gear wavetrac 3in off the sides, wattslink, PCM upgrade, Strano springs, 24 way QA1 front/rear, stainless steel brake hard lines, pst carbon fiber driveshaft, Boyd Harm rims 18x12/18x10(not minitub), kooks 1 7/8 full lenght headers and true dual exhaust, Zainoed

  3. #3
    Lifetime Member darcy's Avatar
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    You need to convert the Ford type data to GM type data.
    One of the guys on HPTuners posted a spreadsheet to do all the math for you - SEE HERE. It's even prepopulated with the Seimens Deka 80lb data
    You'll still need to transpose the tables as required to paste into the EFI Live layout though.

  4. #4
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    Oh wow thanks a bunch
    2018 Colorado ZR2 Diesel

    1998 Firebird Transam A4

    Installed: 4l80e with yank 3200 stall, mwc 9in 3.00 gear wavetrac 3in off the sides, wattslink, PCM upgrade, Strano springs, 24 way QA1 front/rear, stainless steel brake hard lines, pst carbon fiber driveshaft, Boyd Harm rims 18x12/18x10(not minitub), kooks 1 7/8 full lenght headers and true dual exhaust, Zainoed

  5. #5
    Joe (Moderator) joecar's Avatar
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    I'll analyze your spec sheet and I'll get back to you...

  6. #6
    Joe (Moderator) joecar's Avatar
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    The EFILive tunetool has a transposer... see the Conversions tab.

  7. #7
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    wow thank you both it helped a lot. B4003 min injector pulse width I figure I just put the data sheet number down the whole way. Is there anything else I need to adjust before I can start tuning?
    2018 Colorado ZR2 Diesel

    1998 Firebird Transam A4

    Installed: 4l80e with yank 3200 stall, mwc 9in 3.00 gear wavetrac 3in off the sides, wattslink, PCM upgrade, Strano springs, 24 way QA1 front/rear, stainless steel brake hard lines, pst carbon fiber driveshaft, Boyd Harm rims 18x12/18x10(not minitub), kooks 1 7/8 full lenght headers and true dual exhaust, Zainoed

  8. #8
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    hmm so does this look right? If so only thing I need to figure out is small pulse threshold, injection timing and injection timing trim. I want to put 1.2-1.7 as small pulse threshold but that seem low to me
    Attached Files Attached Files
    2018 Colorado ZR2 Diesel

    1998 Firebird Transam A4

    Installed: 4l80e with yank 3200 stall, mwc 9in 3.00 gear wavetrac 3in off the sides, wattslink, PCM upgrade, Strano springs, 24 way QA1 front/rear, stainless steel brake hard lines, pst carbon fiber driveshaft, Boyd Harm rims 18x12/18x10(not minitub), kooks 1 7/8 full lenght headers and true dual exhaust, Zainoed

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