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  1. FOR SALE: SLP - Underdrive Pulley (25%) / Harmonic Balancer - never installed

    Parts For Sale/Wanted/Trade
    SOLD $165 including shipping in continental US. New in box, never installed SLP Performance underdrive pulley. This pulley provides 25% reduction in parasitic drag from rotating engine accessories. This pulley is SLP part number 100235 and fits 2005-2010 5.7 and 6.1 engines. Due to the change...
  2. Boost Calculations

    The Garage: For OTHER car talk
    I have an analog boost guage that can't be logged. I log a couple pids like MAP and Baro. Then use a calculator for the math. What pids are best to use and what formula gets the most accurate boost readings.
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