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Thread: Fine tuning timing table

  1. #1
    Tuner in Training
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    Jul 2016
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    Fine tuning timing table

    Hey guys im working through learning some tuning basics. I have a mild tune built and im trying to get a little further understanding on fine tuning the timing table. I ran my duration table through the timing calculator that was posted on another thread(thanks so much) but im trying to fine tune it further. I assume you don't always want your main injection split 50/50, but I cant seem to find anything more about this topic online. Any tips? thanks guys.

  2. #2
    Tuner in Training Bdubbz's Avatar
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    Mar 2016
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    You can use the smarty udc calculator in conjunction with the timing calculator here. I used the udc calculator to back calc what the whole stock timing map is in percentages, then go from there.

    I had the same questions and that seemed to work well for me. The calculator is available on another forum, just search the 'ol inter-webs.

  3. #3
    Tuner in Training
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    Apr 2016
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    I have the same question. I have an Early 04 but was able to use the calc on here with a little interpolation. So in the upper RPM and MM3 I used the 50/50 split but then backed it down a degree or 2. In the mid rpm and load range the factory uses neg timing so I was afraid to add more than a couple degrees.
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    Last edited by rustyburban; 08-12-2016 at 05:14 PM.
    Early 04 2500 Laramie, NV5600, 3.73, 4" MBRP, HE351 (tow pig)
    2015 Ram 1500 Hemi Sport Crew Cab (Wife's rig)
    68 C10 Suburban, 396 big block, TKO 600, 4.10s, F.A.S.T EFI, Edelbrock heads, Hyd roller cam
    69 Chevelle Malibu, 468 big block, TH400, Trans brake, Brodix heads, solid roller cam, hearing loss

  4. #4
    Tuner in Training
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    Jul 2016
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    I'll take a look into that then thanks!

    And yeah so far I'm fairly happy. I'm thinking about buying starlites book here soon. I've just been taking baby steps and reading as much as is available, still trying to more completely understand the datalogging features as well.