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Discussion Starter · #1 ·
This is the most popular form of restriction for carburetted models.
You will need to remove the carburettors from the inlet manifold
and place one restriction blade into each manifold. Sometimes the
blades will have an off centre aperture or a small pilot hole. In this
instance the aperture or hole needs to be at the lowest point in the
relation to the slide. If the blades are oval in shape and match the shape
of the inlet manifold these should be fitted between the inlet manifold
and cylinder head.

Enjoy:D
 

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