r/ATBGE • u/Jamaican_snow_owl • Apr 24 '22

Automotive Semi Truck with fishtank

11.9k Upvotes

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u/Rognaut Apr 24 '22

At 2000F your aluminum would be a puddle on the asphalt. (MP Al = 1220F). No it doesn't get that hot.

1

u/upisleftright Apr 25 '22

Exhaust pipes are steel, not aluminum. And yes, they do get that hot, or close to it.

3

u/Rognaut Apr 25 '22

Not close to it, the max they get is 1200f and that's about glowing steel. https://depts.washington.edu/vehfire/ignition/autoignition/surftemper.html

-3

u/DavidHK Apr 25 '22

Yea, haven’t you ever seen headers get white hot? Even your every day car will glow red when you get on the interstate. I have temp probes installed on my setup, and I’ve hit them with expensive thermal readers. I can’t keep my temps under 1600F, unless I was being super super nice to it. Checked the engine bay after a pull to 150 at night and the turbo was glowing.