306 & 347 Engine Comparison: Is A Bigger Engine A Better Engine?
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The World Castings heads were also treated to Extrude Hone porting and were equipped with a 2.02/1.60 valve combination. The ported heads flowed 275 cfm at 0.600 valve lift through each intake port and 235 cfm at 0.600 valve lift through each exhaust port. The ported heads offered plenty of flow for both the 302 and the 347. By running the comparison with a ported head, we made sure the head flow would not restrict the larger motor and skew the test results. View Related Article
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Ford E-250 Research
Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Ford E-250. Fuel efficiency is important and the 2010 E-250 has fuel economy comparable to other cars in its class, and also comes with comparable safety features. The Ford Shelby GT500 and the Ford Mustang are other vehicles that might interest you.
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