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  1. 05-31-2019 #1
    Dom
    Dom is offline
    Fuel Injected!
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    Timing Advance Blip Help

    Hello
    I have about 3 cells in my timing advance log that reads very odd 20 sec in.
    Not sure what would cause this.
    Attached Files Attached Files
    1993 Chevy Blazer TBI Vortec long block 5.7
    16168625 BDJZ 46mm TB 18 PSI fuel
    Camshaft, Hydraulic Roller Tappet, Advertised Duration 288/308, Lift .431/.451
    Chevrolet Performance Vortec TBI Intake Manifold
    shorty's, y-pipe and 3" full boar muffler
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