GM has recently released their 2012 Product Guide, which details all of the engines and transmissions used in production vehicles, as well as the specs of the engines. Several years ago, we used to outline these updates, but have been lacking in getting the information out for the past few years. In an effort to try to keep the site up on the most recent releases from GM, I am trying to get this information back into articles again. With that said, on to the information.
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