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Type: Posts; User: JimCT_9C1

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  1. Replies
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    Need to be careful when talking a degree value...

    Need to be careful when talking a degree value for EOIT to make sure changes are as intended.
    For the 146 degree case discussed in the above posts I see both $66 is 574 BTDC compression (146 ATDC)...
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    I believe the EOIT table in the xdf shows degrees...

    I believe the EOIT table in the xdf shows degrees after TDC of the prior compression stroke.
    If you right click on the table header you can see the hex which is in terms of 90 degree pulses before...
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    I think this is what you were thinking of ... ...

    I think this is what you were thinking of ...




    And big thanks to everyone for keeping $EEhack moving forward!


    Jim
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    My bin is not a good reference. You should be...

    My bin is not a good reference. You should be looking at a clean gear-change only bin.

    Take a look here at the various stock bins with different gears, and look at the differences between them. ...
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    Glad you went through the math - Yes, I made an...

    Glad you went through the math - Yes, I made an assumption of the injector firing once per two engine revolutions.

    I don't have the answer for TPI injector firing every one or two revs ... ...
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    Yes, just change 600 to 1200. Sorry about all...

    Yes, just change 600 to 1200.

    Sorry about all the other stuff - just in case someone wanted to see the math.

    Jim
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    Confirming the above - I drove for more than a...

    Confirming the above - I drove for more than a few days and more than a few miles on my 3.73s on the original pcm.

    The engine/transmission/pcm are all still coordinated with a gear/tire change. ...
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    Injector Duty Cycle Calculation

    You are close, but not quite. Need to account for 2 engine revolutions per combustion cycle.
    Your factor of 600 should be 1200. Injector time in milliseconds, giving DC in percent.

    The time for...
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    B-Body Cam Specs

    Been following along... this is from the impala forum:
    B-Body LT1: INT - 191 .418" EXH - 196 .430" LSA - 111 P/N 10243779

    Not sure about the factory installed intake centerline,...
  10. You can change display units between percentages...

    You can change display units between percentages and raw BLM / INT in $EEHack using the Settings panel accessed from the main control panel.
    The conversion from raw to percentage is % = (RAW/128 -...
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    Thanks for the welcome! Looking forward to...

    Thanks for the welcome!
    Looking forward to being part of the community.

    Jim
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    Hello Everyone!

    Been registered for a while, but always could find answers and never needed to post.

    My projects all fall in the LT1 $EE family (B/F body), planning to continue to learn, and hopefully contribute....
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