Corporate 20 vs. Dana 44
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The 20 (right, with a Trac-Lok diff) has a larger-diameter ring gear than the Dana 44 (left, with an open diff). But the main-journal bearings are smaller and weaker in a 20, making them more prone to breakage. Having a larger ring gear adds strength to the ring-and-pinion set because power from the engine is distributed over a larger surface area, reducing strain on the teeth. View Related Article
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Toyota 4runner Research
Finding a fuel efficient automobile today is easier than ever. Check out the Toyota 4runner buyer's guide providing information on car specs, reviews and fuel economy. The 2010 4runner is available with the following engine options: V8, V6, and comes with comparable warranty coverage to other vehicles in its class. You also might want to research the Dodge Durango and the GMC Sierra.
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