just want to know about putting colder thermostats in 2004 5.3
will it make the engine run rich & do you have to reprogram the computer ??
thanks
just want to know about putting colder thermostats in 2004 5.3
will it make the engine run rich & do you have to reprogram the computer ??
thanks
Welcome over!![]()
Yes I think there are low temp thermo's for the '04s. I put a 34" radiator into my truck with a 160° and didn't lose any MPG or cause it to run rich.![]()
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