more airhorn

Have finished the engine now putting together - will be trying out the stock DCNF mushroom airhorns verses the taller hybrid set from Gene Berg/Pierce Manifolds. Using an idea gleaned here from FChat, there is a larger thicker gasket on the airbox lid for a bit more bellmouth clearence, about 1/4" over the stock but it is hard to see in the photo.

While I will dyno, the empirically technical choice falls between the taller ones with more velocity or the stock shorter ones with a wider mouth and more taper.

For more engine details, see carb mondial thread in 308 section.
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