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Thread: E85 tuning 98 5.0 supercharged f150

  1. #1
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    E85 tuning 98 5.0 supercharged f150

    What are the main tables of tuning for e85?

  2. #2
    Advanced Tuner LastPlace's Avatar
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    post your tune file so we can see whats available for as 1998 model

  3. #3
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    By the user name, I think he meant 18.

    the main table would be the stoich AFR [ECM]2300. Unless you are talking about flex fuel.
    Last edited by murfie; 03-28-2019 at 03:50 AM.

  4. #4
    Senior Tuner veeefour's Avatar
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    Quote Originally Posted by murfie View Post
    By the user name, I think he meant 18.

    the main table would be the stoich table. Unless you are talking about flex fuel.
    If you change the last row in Base Cold fuel table that would be your stoich from now even when fully warmed up. This table somehow over-rides the main stoich value.

  5. #5
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    Sorry guys 2018

  6. #6
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    thanks got that set at 14.7 what im trying to change is afr at wot full boost (13 psi) tps 100%
    data shows .70 lambda (10.3) i would like to lean that point more towards 0.85 (12.5).
    i just cant seem to find the correct tables to change. the roush tune im running has PE delayed/off to 120 seconds. i have a 2018 5.0 f150 and installed the roush
    supercharger with tune. LEARNING using hp tuners. thanks so much

  7. #7
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    looking at this its at stoich thanks read my reply see what you think and not sure how to upload my tune and data

  8. #8
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    how can i attach my tune to this thread?

  9. #9
    Advanced Tuner LastPlace's Avatar
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    Quote Originally Posted by 18f1505.0roush View Post
    how can i attach my tune to this thread?
    The "go advanced" button, then use the "Manage Attachments" button.

  10. #10
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    I think I figured it out my MAP max before combustion stability is set to allowing CS to take over at low boost
    Ecm 44821. So changed Cs to where I want to be. (ecm 33784)
    Data log shows lambda as the Cs tables are written.
    I will load the new tune and update thanks

  11. #11

  12. #12
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    Made a few short rolling test hits today for data Lambda is exactly where i wanted it .85 (12.5) afr. so I will try to lay down some actual short runs by the weekend.
    13 PSI
    .85 lambda
    100% TPS
    10 DEGREE TIMING
    93 OCTANE
    WHAT DO YOU THINK? POSSIBLE MORE TIMMING?
    Attached Files Attached Files