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pwrcat

7.3 Liter Gas

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any reviews on this new gas engine performance vs the 6.2 liter?

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Interesting that 5 Star made the comment about tire size not affecting dyno numbers. I suppose that's true but it sure as heck makes a difference in the real world. If the only thing you change is tire diameter and by a significantly larger amount your vehicle will react as though you installed a numerically lower axle ratio gear set. It will feel as though it lost power which it technically did because you drastically changed the effective final drive ratio. The only way to get some of the power back would be to install a numerically higher axle ratio gear set. It's all about torque multiplication. Changing the gear ratio will help but there will still be more rolling resistance, aero drag, etc.

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