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Original Message
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| Why 180? |
| By James - 05/10/2003 5:38:52 PM; IP 66.142.196.183 |
I have been told by a wrench from way back then that the 192 thermostat was one of the components of the emissions being put into place by the government. The 428CJ was the one of the first engines in a muscle car to have emissions of any kind on it (smog pump). The mechanic told me that the first thing folks would do to their 428 back then was take the smog pump off, put real duals on them and put a 180 degree thermostat in it. The smog pumps were not made to take the torqueyness of the 428 and the dealerships got so tired of fixing them that the customer was persuaded to just let them take the belt off and let it go.
As for the thermostat, the 180 works better because the cooler the engine is the more horsepower stays in it...up to a point. The more heat that is present the less horse power stays in the engine. Furthermore, if a 428 has been bored it has a tendancy to run hotter and can take advantage of the cooler thermostat. I ran a 192 for a while and went to a 180 and never looked back because it made the engine run better especially in the 100 degree tempuratures of Oklahoma in the summer time. |
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