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AMC: 6 cylinder thru 1980 C Series Std 4bbl Carb Customer interest proves the gaining popularity of 6 cylinder high performance. In response to this need, Offenhauser has developed a C series of competition style high performance manifolds to fill the void between absolute street performance and modified street/race applications. These manifolds have been designed to accept larger carbs of a performance variety because the plenum and runners of the manifold have been opened up to carry the high volume and flow required by modified engines at higher RPM s.
These manifolds come with stock emissions provisions for those vehicles which might be used as modified street/race. Vehicles used in race only may block-off these provisions as needed.
The C series Offy open plenum design really boosts engine breathing characteristics and geatly improves the torque in mid to higher RPM s. The torque range of these manifolds has been designed to fit into street modified and competition requirements of the 6 cylinder engines. Depending on the size carb and engine type, the C series manifold has a fantastic range from approximately 2500 RPM delivering great performance through 7000+ RPM. Naturally, the larger the carb, the higher the RPM range will be.
The 6 cylinder C series manifolds will fit standard bore Holley and Carter carbs. Copyright © Phethean Racing Products ( Offenhauser )
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