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With what Khadma said, the specific year and engine will matter.
If its a 302 or 351 92-96 (and I believe the 80s models too), then you want a 192 degree thermostat.
Don't go with the lower ratings such as 180 and especially not 160. The engine needs to operate at a specific temperature to function most efficiently, and if you change the thermostat to something lower, you will make the engine run at an undesired temperature causing loss in mpg and performance.
With what Khadma said, the specific year and engine will matter.
If its a 302 or 351 92-96 (and I believe the 80s models too), then you want a 192 degree thermostat.
Don't go with the lower ratings such as 180 and especially not 160. The engine needs to operate at a specific temperature to function most efficiently, and if you change the thermostat to something lower, you will make the engine run at an undesired temperature causing loss in mpg and performance.
With what Khadma said, the specific year and engine will matter.
If its a 302 or 351 92-96 (and I believe the 80s models too), then you want a 192 degree thermostat.
Don't go with the lower ratings such as 180 and especially not 160. The engine needs to operate at a specific temperature to function most efficiently, and if you change the thermostat to something lower, you will make the engine run at an undesired temperature causing loss in mpg and performance.
you'll also lose a LOT of heat in the winter unless you take the fan off when it gets cold enough.
To add one more tidbit to the very good reasons the guys have already mentioned, correct operating temperature is critical for all computer controlled engines which includes any Bronco built after 1986. If the op. temp. is kept too low the computer will enrich the fuel mixture to the point that you will prematurely foul spark plugs and overheat cylinder walls.