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Changed out crank pulley to a 4inch billit alum.Now my temp went from 170 to 190 at idle.The old pully was 7.5in diameter but really warped.Will something like RED LINES additive really lower water temp 10-30deg? Would like to try this first for $8.00 instead of electric fan or reinstalling a factory crank pulley.Am I waisting my time?
 

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I noticed a significant drop in temp when I put Red Line Water Wetter in after my scheduled flush.I think its great.
 

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Worked for me too
 

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Worked for my buddies Jeep when we were in the middle of Nevada.
 
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