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  1. W

    Mach 1 Flat Spot in Mach 1 Torque Curve??

    As a subscriber to 5.0 Mustang & Super Fords magazine, I have seen several recent articles on Mach1 engine bolt ons that have made impressive performance gains. One thing that stands out in all three cases is the Dyno numbers indicate a prominent flat spot in the torque curve for the stock setup...
  2. W

    Belt Length for 5.0 without air pump?

    The thermactor air pump on my '88 5.0 (with dealer installed A/C but otherwise stock) siezed, and I am am thinking of just getting a shorter belt and running without it. Has anyone done so and/or happen to know what length belt I should use? Thanks Wayne