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  1. Z

    High EGT's, lack of power, black smoke, poor mpg

    Did you find the cause? I have an LBZ with a stage 1 turbo (fairly new) that should make boost easier than a stock one. My mileage went down when I put it on, but no black smoke at that time. I remapped the vane table, which helped the mileage, a couple years ago. But recently I am getting...