"Backpressure" related terms, short phrases and links

The problem with this event is a turbocharged motor will create a larger amount of backpressure on the exhaust side. (Web site)

Knowing that 2.2 cfm per open-pipe hp means zero loss from backpressure allows us to determine how much muffler flow your engine needs. (Web site)

When the exhaust backpressure is lower than the intake, reversion is not a problem, actually just the opposite is a problem. (Web site)
If the exhaust system is restrictive, the piston has difficulty pushing the exhaust gas out of the engine (backpressure). (Web site)

Backpressure in it's most extreme form can lead to reversion of the exhaust stream - that is to say the exhaust flows backwards, which is not good. (Web site)
You can just as easily have backpressure at low RPM too, which would also hurt low RPM cylinder scavenging and increase the potential for gas reversion. (Web site)
A smaller pipe diameter will produce higher exhaust velocities at a lower RPM but create unacceptably high amounts of backpressure at high rpm. (Web site)


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