Unconfirmed next-generation Ford and GM truck powertrain details swirl is reporting a few juicy rumors about the future of full-size pickups from both General Motors and Ford. According to details supplied by shadowy sources, Ford is currently hard at task on the development of a range of new V6 engines. The powerplants are said to be under development in a range of sizes, including 2.6-, 2.7- and 3.0-liter displacements. The engines are being crafted under the codename "Nano" with a single dual-stage turbo making up for the cut in displacement. The largest of the trio is said to have a target of 300-315 horsepower, which is effectively what the current naturally-aspirated 3.0-liter V6 churns out. TDB maintains that the new V6 lumps may also work their way into the Mustang line at some point as well.

The report indicates that GM, meanwhile, is hard at work on a forced-induction V6 of its very own to fight Ford's EcoBoost surge. Additionally, the company's heavy-duty trucks will be the only models available with the big-boy 6.2-liter V8, while both light- and heavy-duty pickups will be available with the company's 6.0-liter V8. Finally, the tried-and-true 5.3-liter V8 will soldier on for the next-generation as well.

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