SEMA 2012: GM Pulls the Wraps Off Of An All Polymer 427CI LS V8

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In a technological break through you will only here about on BangShift, General Motors pulled the cloak back on an engine that we had heard rumors about for years. Below you will see photos of the all polymer 427ci LS engine the company will use to reduce vehicle weight, increase gas mileage, and add to [...]

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