1.5/ 1.6/ 1.7 ratio rockers

Killer6 said
Easy, because you get a larger lift curve, and more flow without having to increase the duration in order to do so. There is a limit, even with our gifted .904" lifter dia. Mopars,
to how much lift you can achieve for a given duration flat tappet cam. More lift and a bigger curve = more torque and HP in the same operating RPM range.

So is there a down side to using higher ratio rockers? Why bother with the stock ratio then, everyone should put the highest ratio rockers in they can as long as their is enough piston to valve clearance and when your rebuilding an engine that shouldn't be a problem.