Any Experiences towing with V6 2WD Silverado ?

A trailer with a UVW of 5200 lbs, especially if that quoted number isn't the trailer's actual sticker weight as it left the factory, is sure to weigh well above 6000 lbs loaded & ready to camp. As one who has been towing for a dozen years now with an '06 Silverado, '05 Avalanche, and now a '12 Silverado, all with GM's ubiquitous 5.3 V8 coupled to a 3.42 axle ratio, there's no way I'd tow a trailer this heavy with anything less and certainly no way with a V6 under the hood. Yes, the later version narrow ratio 6-spd I have in my current '12 does help but with a V6 under the hood instead of a V8 that truck is really going to struggle towing this much trailer, not to mention using up all it's payload capacity. Pundits may claim otherwise but I've BTDT.