I have been running the factory rockers in my Fastback with .510 lift and upgraded springs similar to your for 3 years now. No issues....
I would however like to switch to adjustables because I may go solid roller on this car at some point.
I do like the idea of adjustables just to make setup easy and get the preload consistent, especially since my valve height varies by .020" or so.
But it seems that one might be asking for a headache with buying aftermarket when its not required for lift.
I can always order individual length pushrods.
What rockers are you considering?
