The intake area of the SHA carburettor series from Dell’Orto is shaped anything but streamlined at the factory for cost reasons. Tuned engines with SHA carburettors therefore benefit greatly from an improvement in this area.
The SIL Tech Performance intake funnel optimizes the gas flow. Powerful 70-75cc cylinders generate very high flow rates in conjunction with the small SHA carburetors. This is exactly where the SIL-Tech Performance intake funnel comes in. It ensures that the air can flow into the venturi area of the carburetor in a controlled and concentrated manner without creating wake vortices.
The result is improved performance across the entire rev range.
On an engine with 75cc Malossi deps with Ø27mm outlet cross section and SHA 13.13 carburettor the improvement in peak power is 0.3HP. In the area of the power increase, which is very relevant for acceleration, the intake funnel delivers a whopping 1hp more. Related to this range, this corresponds to a power increase of over 20%.
The intake manifold comes with an installation manual.
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