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Thread: SWP no-flow?

  1. #1
    Potential Tuner
    Join Date
    May 2021
    Posts
    7

    SWP no-flow?

    Looking under system-> fans, what is "SWP no-flow"? I replaced the stock thermostat with a different temp and want to adjust the tuning for it. also, what other changes do i need to make for everything to work right with the new thermostat? I already searched all over the forums and googled it and can't find anything.

  2. #2
    Advanced Tuner
    Join Date
    Aug 2016
    Posts
    386
    SWP = switchable water pump, which these engines do not have.

    The only tuning change you may need to make directly related to the thermostat is the Cooling Fan On/Off temperature thresholds. E.g. if you installed a 180*F thermostat, you might want the fans to come on sooner than the OE settings, or else the coolant temperature may drift higher (e.g. to target OE coolant temperature levels) under low air-flow conditions across the radiator.

    You may also be able to change other performance based settings if the engine is running cooler (e.g. it may tolerate more timing advance).