Air box mod

WAH900ss · Aug 21, 2022

" ....forget dynos because they give a false reading as no airflow."

no airflow? what's the air blower doing in front of the bike, apart from cooling. (moving air?)
Ducati 900ss Dyno run - YouTube

doggy · Aug 21, 2022

If I put my airbox lid back on will it make it quieter? Will it throw the fueling out that much? . If so, will it make it leaner or richer?
Thanks

WAH900ss · Aug 21, 2022

soz Sev, I'll stay in my lane (woz only fishin for a bite)

RoadRunner · Aug 21, 2022

Boyceyboy said: ↑

A ram-air intake is any intake design which uses the dynamic air pressure created by vehicle motion, or ram pressure, to increase the static air pressure inside of the intake manifold on an internal combustion engine, thus allowing a greater massflow through the engine and hence increasing engine power.[1]

Design features

Ram air intakes on a 1973 Mustang Mach 1

Motorcycle with gooseneck mounted hypercharger air intake

Ram air intake on Kawazaki ZX12R

The ram-air intake works by reducing the intake air velocity by increasing the cross-sectional area of the intake ducting. When gas velocity goes down the dynamic pressure is reduced, while the static pressure is increased. The increased static pressure in the plenum chamber has a positive effect on engine power, both because of the pressure itself and the increased air density that this higher pressure gives.

Ram-air systems are used on high-performance vehicles, most often on motorcycles and performance cars. The 1990 Kawasaki Ninja ZX-11 C1 model used a ram-air intake, the very first on any production motorcycle.[2][3] Ram-air was a feature on some cars in the sixties. It fell out of favor in the seventies, but recently made a comeback. While ram-air intakes may increase the volumetric efficiency of an engine, they can be difficult to combine with carburetors, which rely on a venturi-engineered pressure drop to draw fuel through the main jet. As the pressurised ram-air may kill this venturi effect, the carburetor needs to be designed to take this into account, or, alternatively, the engine may need fuel-injection.

https://en.wikipedia.org/wiki/Ram-air_intake

Is Wikipedia man on internet?
Click to expand...

Soooo, where does the Suzuki GT250/GT380 & GT 550 RamAir sit within the discussion??

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