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SRW form me. IMHO there is no more stability in a dually over an SWR and for no more reason than all the Cons already posted my next truck will again be an SWR.
On a GM there is no more towing capacity on a dually than on a SWR. They both have the same engine, tranny and everything else. Pin weight on a 3500 dually and a 3500 SWR is insignificant.
Thinking, by having a dually, that you have less concern about a flat rear tire is bogus, IF you don't realize that inside dual is flat is the problem. But you will absolutely know it just a few miles down the road. That inside or outside flat will get to rubbing against the inflated tire. It will build heat and eventually disintegrate. JUst where do you think all those road gaters come from? And if that dually disintegrates you will also be contributing parts of that fiberglass fender to the road liter.
Not carrying a spare and taking one of the duallys off to replace a front flat tire is dangerous as all the tongue weight now rides on one tire. And it would take a lot less time mounting the spare than messing with dismounting the outside tire.
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