Mar 17 2007, 12:23 AM
QUOTE(Kagaya @ Mar 16 2007, 11:46 PM)
I think I happened to read in NST Car,Bikes and Trucks regarding backpressure.
Assuming that after the exhaust cycle, exhaust exiting the pipe flows in high velocity, creating a vacuum as it leaves the pipe.
But, before the gas fully left, the vacuum effect siphoned the air-gas mixture before the valve fully closed in such rapid movement. Without the necessary pressure to helps the valve close in time, air-gas mixture exits with the exhaust together, resulting in the waste of unburnt air-gas mixture (gas is gasoline, or fuel).
Well, that's what it says and why those big MILO TIN is having ultra high FC, loud rumbling of an asthmatic elephant but no power to fart.
Talking about the MILO TINS right, they don't sound that good either. Compared to my stock 1987 Nissan Sentra's exhaust, it sound's better.Assuming that after the exhaust cycle, exhaust exiting the pipe flows in high velocity, creating a vacuum as it leaves the pipe.
But, before the gas fully left, the vacuum effect siphoned the air-gas mixture before the valve fully closed in such rapid movement. Without the necessary pressure to helps the valve close in time, air-gas mixture exits with the exhaust together, resulting in the waste of unburnt air-gas mixture (gas is gasoline, or fuel).
Well, that's what it says and why those big MILO TIN is having ultra high FC, loud rumbling of an asthmatic elephant but no power to fart.
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