Roller rocker problems

With 1.6 rockers ,the pushrods will rub on some heads unless you clearance them. This is more likely to occur if you have replaced your 5/16 pushrods with 3/8s. If some of your adjusters are maxed out your pushrods are probably the wrong length or you have bent them. As for the strength of factory nonadjustable rockers, I have ran a set with a Comp 292 .501 since 1986 with only one rocker failure. Street/strip 440.