4.6 engine temps

  1. T

    Car still running 190⁰+ even with 170⁰ thermostat

    So I installed a 170⁰ thermostat and set the low and high speed fans at 186⁰ and 190⁰ as instructed a couple months back in my 2010 GT. I never actually checked with my handheld tuner the coolant numbers till now and even when cruising down the highway on a 70-75⁰ day the handheld tuner showed...
  2. JJ427R

    4.6 Rouchcharged engine temps?

    Anyone out there with a Roushcharged 4.6 have a temp gauge other than stock gauge and know what temp your engine is under normal driving say 45-70 mph. Today was driving mine and temp got up to 210 degrees, pulled into my mechanic and he threw the computer on it, head temps were 212. He did not...

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