Huffy has been around for ever. At one point they use to be like mongoose or red line or take your pick of high end raceing bmx of today. I have a huffy bmx frame here that would put the hurt on some modern bmx bikes. The frame is a sharp pointed oval tube deal no clue what huffy called it. I just call it a diamond oval for lack of a better term. Its all chromolly very light and very strong. Now like most mongoose bies youll see huffy is total crap. 100% reverse of my old frame new ones are heavy and very week. Back in the late 80s bikes were judged for quality by things like large bottom tubes etc. huffy made their bikes witha greatly oversized tube or so it seemed. Infact the tube was not large at all but a standard small diamiter tube with some sort of lead or plastic filler applied over the tube.
Oviously a educated buyer will know better than to think big tube automatically means strong bike. Cannondale love the over sized frame tube. If i recall their tubeing is very thin walled and the large diam makes up for the wall thickness and then some.