Originally Posted by wheelreason

Apparently not. A 5 qt jug of Mobil 1 or a similar product is maybe $25-$30 if you get a good deal, maybe add a mfg coupon on it, still a lot more expensive than a synthetic lube of lower viscosity that will be far superior as a chain lube. Sure motor oil will work in a pinch, but even a 0W-20 is going to collect a lot of grit unless you apply it correctly, and wipe off all the excess. You can make a DIY drip wax lube for $30-40 per gallon if you know where to look.