Tri-Power 427
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The crack cap of the stock rods. During the production process this method is cost-effective and easy to do: GM bores out the center to the correct outer diameter, then a groove is machined at the center of the two halves to act as a stress riser. That riser makes the rod break perfectly in half in a later step. This method is good enough for a factory application, but because there is a permanent crack, there is no way to resize the big end of the rod in a performance application. Machining is always needed in a normal small-block GM to verify that they are perfectly round and to get the proper crush on the bearing. 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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