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Thread: LSJ 42# injectors flow rate table vs MAP needed

  1. #1
    Tuner in Training
    Join Date
    Mar 2012
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    13

    LSJ 42# injectors flow rate table vs MAP needed

    Hi everyone! I'm looking to help a friend in tuning his cobalt ss 2.0 SC that he bought for dirt track oval races and that the tune looks not right, as after shifting to 2nd gear his engine ramps up to 6000rpm and withing couple seconds holding at wot goes down to 3600rpm and black smoke, it seems to go way to rich as letting off gas fow a minute it will run fine until wot. He said 42# injectors were installed by previous owner but the flow rate table looks to be very close to the stock injectors. If someone can provide me with some data i will be doing some scanning soon and have a wideband install. I read alot on injectors in here and other forums, i just couldn't find flow rate data for 42#. Thanks in advance.

  2. #2
    Senior Tuner cobaltssoverbooster's Avatar
    Join Date
    Dec 2008
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    Nevada
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    4,432
    There is a stock stage 2 file in the repository which you should be able to access via your HPTuners.com account. These stage 2 files come with 42lbhr injectors stock.
    2000 Ford Mustang - Top Sportsman

  3. #3
    Tuner in Training
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    Mar 2012
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    Thanks a lot! That will help me.
    Cheers!