Pretty wild

polarity · 09-01-2009, 02:47 PM

"The Autoignition Temperature of a standard unleaded gasoline can be anywhere from 260 to 460 degrees C (or 500 to 860 deg F) as quoted on the FAQ: Automotive Gasoline Web Page by Bruce Hamilton"

Anyone know the temp of the exhaust pipes while the car is running, and when turned off the rate at which they cool?

For the record, I shut my car off when fueling, but honestly I'm trying to think of a reason. Aside from the static charge causing the fuel to ignite anyone else know of a realistic scenario where a running car would ignite the vapor? It seems to me that if a running car were going to ignite the vapors it would happen anyway as one of the 1000 cars that pull in/out of the gas stations daily would trigger it. If nothing else, it's at least interesting to think about.

-William

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09-01-2009, 02:47 PM	#26 (permalink)
polarity Base Member Join Date: Feb 2009 Location: Mississippi Posts: 166 Drives: [2009 370Z] Rep Power: 17	"The Autoignition Temperature of a standard unleaded gasoline can be anywhere from 260 to 460 degrees C (or 500 to 860 deg F) as quoted on the FAQ: Automotive Gasoline Web Page by Bruce Hamilton" Anyone know the temp of the exhaust pipes while the car is running, and when turned off the rate at which they cool? For the record, I shut my car off when fueling, but honestly I'm trying to think of a reason. Aside from the static charge causing the fuel to ignite anyone else know of a realistic scenario where a running car would ignite the vapor? It seems to me that if a running car were going to ignite the vapors it would happen anyway as one of the 1000 cars that pull in/out of the gas stations daily would trigger it. If nothing else, it's at least interesting to think about. -William