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Reworking The 4.6 Two-Valve Cylinder Heads
Jerry removed the vane and blended the area around the intake valve into the roof of the combustion chamber. This increased the volume of the combustion chamber to 55 cc which dropped the compression ratio to 8.77:1. The super-trick thing to do would be to weld up the chamber around the spark plug boss into a wedge shape. View Related Article
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Ford E-250 Research
Ford E-250 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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