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I'm still having way too much fun in my BRZ after two years, am I doing this wrong?
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Aug 11, 2015 15:22
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| # ¿ May 12, 2024 23:59 |
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Brigdh posted:Kinda. What the gauge indicates, and what the ECU says, can be two different things. The ECU might send a signal to the gauge to display 4000, but the resolution at that particular point in the gauge sweep might be off, so the gauge displays 4125. If you hook up a scan tool to the ODB2 port and ask the ECU directly, it will report 4000. Also with scales and thermometers. I used to calibrate precision equipment, and you'll generally find that quantities within the "most used" area tend to be the most accurate, but once you get around the edges things can go wonky.
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Aug 11, 2015 20:03
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drgitlin posted:What they're doing is overlapping the combustion and exhaust cycles slightly, so that some of the fuel gets burnt in the pipe on the way to the cat. It's a bit like a controlled misfire. Although the main reason is because there's something childlishly delightful about a car that goes BANG! every time you lift off at high revs or change gear, it also apparently helps emissions by burning off more nitrogen compounds in the exhaust. Hey, isn't this what Red Bull Racing was doing a few years back to keep exhaust going through various areo bits while the driver was off-throttle in the corners?
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Aug 18, 2015 20:09
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