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Thread: Need Advice in tuning from 93OCt to 100OCT

  1. #1
    Tuner in Training
    Join Date
    Mar 2021
    Posts
    29

    Unhappy Need Advice in tuning from 93OCt to 100OCT

    Hello ... I've been running this 93 tune on a boosted Boss 302 for about 2 years already and have been happy with it (no Knock Retard recorded at all). I have brought it to the drag strip for test & tune for 2 seasons now and was able to do 10.6 in a 1/4 mile as my PB at full weight. Now I wanted to try a 100OCT fuel tune to see if I can squeeze a little bit more to be able make it to low 10's, of course by also doing it safer. I know there is a lot that I can do before touching the tune e.g. driver mod, weight reduction, etc. Question is, what parameters do I need to change, Stoichiometry value ... and more ? Do I only need to change my WOT fueling/Spark area or I have to do everything from scratch? What are the ramifications if I only do the WOT part? Below are the vehicle specs:

    2013 Boss 302
    Whipple Gen 4/2.9L
    3.625 pulley @ 10PSI
    1 7/8 Kooks Catless headers
    93OCT tune
    BAP
    ID1050 Injectors
    (70% average Injector Duty max at WOT / 0.76 AFR @ 7500rpm)
    18 Deg timing up top (Knock sensors incrementally adding timing during acceleration is the way I tuned it)

    Drag Times
    10.6s @ 128 mph 1/4 mile
    Reaction Time = 1.54
    DA is about 3200ft

    Any advise is greatly appreciated. I can post the file if needed. Thanks
    Last edited by Lady L; 08-29-2023 at 11:56 AM.