The Iron Alternative
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When the dust settled, the new iron head from GM Performance Parts outperformed the stock--though admittedly smaller-volume--aluminum cylinder heads of the ZZ4, as well as the aluminum Fast Burn head. With the small-port Vortec Bow-Tie, the Hot cam, 1.6 rockers, a single-plane intake, and a 2-inch spacer, the ZZ4 generated a best average of 391 hp. A similarly configured setup with the large-port heads made 386 hp, on average. Both figures are a staggering jump over the stock ZZ4's 328.5hp average. View Related Article
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Chevy Malibu Research
With great deals and authoritative reviews, find all you need to research and buy the new Chevy Malibu, as well as compare it with other vehicles to help you in your car buying process. The 2010 Malibu is offered with your choice of L4 engine, and can seat 5 people comfortably. Also check out the Chevrolet Camaro and the Chevy Monte Carlo.
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