Big-Block Shootout Part 3
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Oil system mods continue in the valley area of the block, as Mark tells us the factory drainback holes are inadequate for high-performance engines. He will chamfer and increase the size of these holes to aid drainback from the top end dramatically. The 460 has a natural angle of about 3 degrees nose up when installed in a chassis, so these two holes at the rear of the valley are relied upon to return most of the oil to the pan, and they need to be larger. View Related Article
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Ford Mustang Research
Consider the Ford Mustang for your next new car, and browse reviews featuring information on test drives, comparisons, options and features. The 2010 Mustang has fuel economy of 20 mpg, and comes with comparable warranty coverage to other vehicles in its class. Other similar vehicles are the Chevy Camaro and the Pontica GTO.
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