I think chuck meant that since you're opening up the pumpkin anyways, it might be a good time to swap out the final drive as well since it will save you on labor. Most final drive swaps are for quicker acceleration. A final drive changes the effective gearing, making acceleration a little quicker. The trade-off would be reduced top speed (in extreme instances), however the majority of daily drivers would only realize higher RPMs at cruising speeds.
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