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  1. #11

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    Do you think I will see an improvement in mpg or power?
    I think this will depend on the condition of your current injectors. If they are still working as they should, you probably won't see any difference. If they have started to deteriorate or otherwise function less than optimally, then I would expect you to see an improvement.

    And are the totally plug and play no flashing of the ECM.
    My impression has been that the redesign was meant to be plug and play and should not need any modification/reprogramming of the ECM. The redesigned injectors should operate on the same voltage/power as the old design, and should deliver the quantity of fuel as the old, so I would not expect a reflash would be necessary.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  2. #12

    Default

    I think after 198,000 miles they most likely have degraded. This will defentally be a consideraton for the truck once it hits 200,000 miles by early spring.

    1996 Chevy Tahoe LT 5.7L V8 4X4 205,000+ miles. Built proudly at Janesville Assembly in Janesville, Wisconsin
    Basic mods: Lights all over, bunch of electrical work, and a couple cooling mods.

    Check out my other mods in My Garage: http://www.gmtruckclub.com/forum/sho...t-Tahoe-4-Door

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