Do our cars run hot to save gas?
04-28-2004, 01:45 AM
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Car: 1987 Firebird Trans AM
Engine: 383 TPI...very soon
Transmission: TH700R4
Do our cars run hot to save gas?
Simple question... I know GM designed our cars to run hotter to help knock down emissions, but did they also design our cars to run hot to save gas? Is a hot engine more efficient? Has anyone noticed a decline in gas mileage after adding a lower temp thermostat and manual fan switches?
04-29-2004, 12:15 AM
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Car: 1990 IROC
Engine: L98
Transmission: TH700-R4
the hotter an engine runs, the more efficient it is (by efficiency, i mean a ratio between the net work of the engine and the high temperature reservoir, or the temp the engine operates). however, the hotter it runs the worse it is for performance and engine life.
Last edited by curt86iroc; 04-29-2004 at 12:23 AM.
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