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Thread: L31 and ls1 injectors

  1. #1
    Member
    Join Date
    May 2011
    Posts
    65

    Default L31 and ls1 injectors

    Will the l31 (5.7L) vortec engine's computer fire and ls1 injector? Im wanting to switch to a port fuel injection intake and im not wanting to do a ls1 computer swap, and the port fuel injection intake for the old sbc takes ls1 injectors.

  2. #2
    Lifetime Member
    Join Date
    Aug 2006
    Posts
    412

    Default

    I have never done the LS1 injectors on the Black Box PCM. I know it has been done many times. The 7.4 truck guys have been doing it for years. I will also tell you that the 12200411 PCM swap is super easy and can be done in about 45 minutes.

    Jeff
    98 GMC RCSB 2WD, Internally stock 305 w/Twin T-3 junkyard Turbos,4L80e,Ramjet intake,42lb.inj., 0411PCM, COS3,4675LBS w/me in it. Best Time on 5 passes-13.01@110

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