WTF gas mileage increased dramatically??!!
05-10-2007, 03:37 AM
#11
4th Gear Member
Join Date: Jan 2006
Location:
Posts: 1,135
RE: WTF gas mileage increased dramatically??!!
according to thermodynamics, the warmer the air around the system(engine) is, the more efficient the engine is
lets say the maximum temp of the engine can reach 250 degrees celcius
and the temp of the system on a cool day is 20 degrees celcius
the efficiency is given by (20)/(250)
but on a hotter day, say 30 degrees celcius
efficiency is 30/250
so a hotter day yields better efficiency
i cannot quite remember if the temp measurements are in kelvin or celcius for the calculation but they give the same general conceptual result
lets say the maximum temp of the engine can reach 250 degrees celcius
and the temp of the system on a cool day is 20 degrees celcius
the efficiency is given by (20)/(250)
but on a hotter day, say 30 degrees celcius
efficiency is 30/250
so a hotter day yields better efficiency
i cannot quite remember if the temp measurements are in kelvin or celcius for the calculation but they give the same general conceptual result
05-10-2007, 07:56 PM
#12
5th Gear Member
Join Date: Oct 2005
Location: Ohio USA
Posts: 4,616
RE: WTF gas mileage increased dramatically??!!
ORIGINAL: 92hatchLX
My gas mileage has increased dramatically since I installed the 180 degree T-stat on Friday night. I used to get around 50 miles before my gas gauge needle got down to the 3/4 line after I filled up, yesterday it hit 78 miles when it got to the 3/4 mark and I was driving very "spirited" on my way home from work. What the heck? I thought that if anything it would make you run richer??? Also there was a SOTP differenceafter the 180 degree t-statswapfor some reason, it feels like it's pulling a lotstronger when I mash the go fast pedal. Can someone help me here? lol
My gas mileage has increased dramatically since I installed the 180 degree T-stat on Friday night. I used to get around 50 miles before my gas gauge needle got down to the 3/4 line after I filled up, yesterday it hit 78 miles when it got to the 3/4 mark and I was driving very "spirited" on my way home from work. What the heck? I thought that if anything it would make you run richer??? Also there was a SOTP differenceafter the 180 degree t-statswapfor some reason, it feels like it's pulling a lotstronger when I mash the go fast pedal. Can someone help me here? lol
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