[Rev]

That happened to me also when I put in Comp Cams Magnum roller tip rockers some years ago. I used Pioneer poly-locks to hold the adjustment. After adjusting the lash for the hydraulic cam, I just tightened down the allen screw with an allen wrench. I had been cautioned by my machine shop guru not to "munch down" really hard on the adjusting nuts with a socket wrench or risk twisting off the "coke bottle" studs that I had at the time.

To make a long story shorter, the locking allen screws came loose allowing the push rods to come out. This all happened while blowing the doors off an early Camaro on the highway. These Camaro guys had a good laugh as they finally caught up and passed as my engine sputtered.

Moral is, after adjusting those poly locks, come back with a socket wrench give a modest torque to the poly-lock adjusting nuts, no matter what the brand, in order to set them tight.

Rev