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A/F radio with headers

This is a discussion on A/F radio with headers within the External Engine forums, part of the LSx Technical Help Section category; before i install the headers my A/F was at 15.6 idle now its at 18.0 to 19.0 idle after headers. ...

  1. #1
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    A/F radio with headers

    before i install the headers my A/F was at 15.6 idle now its at 18.0 to 19.0 idle after headers. on my 01 trans am. what do i need. i have a tuner

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    Slow'er'Ass Mr. Luos's Avatar
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    My radio went all fuckered up when I added headers too.
    Sounds like maybe the thingy in the back came loose.



    How long after the install did you test the A/F?
    Many LS1 F-Body's will go rich with the addition of longtubes and the factory tune (change of the O2 location mainly...along with MUCH more air crossing them).
    If you have a tuner....take car to him/her.

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    i can try factory tune but i have a pretender tune

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    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by FMR_TransAm View Post
    i can try factory tune but i have a pretender tune
    Go back to your factory tune ASAP!!!!!!!
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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    Factory Tune ok.

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    Wouldn't a higher number mean he is running really lean?

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    yeh

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