I think you'll be okay. I'd be comfortable with that setup because I towed our 320 BHDS with an 07 f150 when we first got our camper. You may or may not feel the same about your set up. Since then, We usually use our excursion to pull it. I do recommend a good WDH regardless of your TV.
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2014 Freedom Express 320BHDS Liberty Edition 50th Anniversary
2005 F250 Lariat SuperCrew 6.0 PS Diesel
2004 Excursion Limited 4x4 6.0 PS Diesel
2000 Excursion Limited 7.3 PS Diesel Sold