Are you running the OEM 195-F (90°C) thermostat? My 4.0L TJ has OEM spec radiator, original mechanical fan, full house of spots and winch box in front of the grille and keeps under 100°C in all conditions. Yours should be just as good as mine.
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Jeep TJ rebuilt 4.0L, Custom Steel Roof Racks, vintage ((Jeep specific)) 15” Centerline Hellcats,
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