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Thread: 5.3 swap 92mm throttle body dbc tuning cranks and runs for a few seconds

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  1. 01-05-2021 #1
    mgreen1223
    mgreen1223 is offline
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    5.3 swap 92mm throttle body dbc tuning cranks and runs for a few seconds

    I have a 5.3 swap that mostly stock just headers, intake and throttle bodyNo v.a.t.s. 2156 o.s. on a 0411 pcm. The issue im having is it will crank and run for a few seconds nice and strong then die. Should I compensate for the more air by extending the pulse width on the injectors or what im losing my mind any help is welcome
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