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Cathedral Vs Rectagular Port Cylinders Head To Head 007

 
Ghtp 1205 Cathedral Vs Rectagular Port Cylinders Head To Head 007
Cathedral Vs Rectagular Port Cylinders Head To Head 007
4 Given the difference between the intake-to-exhaust flow relationships between the two different head designs, we decided that it was only fair to run the cams designed for each head. Actually we went one step further and ran both heads with both cams to illustrate the gains offered by the change in cam timing for each configuration. The cathedral-port cam (289LRHR14) offered .624-inch lift, a 114-degree lobe separation angle, and a 239/247-degree duration split (measured at .050). View Related Article
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