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Reply to "Tour de Smo' 2021"

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@Stan Galat posted:
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...In the case of the mighty, mighty Northstar 4.6 L V8 limo, there's less torque on hand than the trailer and extra 4 ft in the middle requires...



I think aerodynamic drag from the presidential fender flags is making the critical difference.

The 4T80E transmission was designed to handle the form factor of a standard presidential limo trailing a standard presidential auxiliary vehicle.

Once you add the flag package, the stock cooling can't keep up. Most embassy staffs that mount flags add an external tranny cooler with thermostatically-actuated fan in the rear driver's side wheel well.

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Last edited by Sacto Mitch
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