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  1. MyTruckIsBetter

    Please help with very high idle 3500-4000

    Bust out the vac gauge and hook it up to your manifold vacuum port on the carb and see how many pounds your pulling should be in the ballpark of 15-20 psi vac. As Ricko suggested you may have a couple of vacuum leaks which will affect the idle. Also if you pulled emissions controls.... make sure...

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