Quote Originally Posted by Scooting View Post
Subset of the question:
I see SBC roller rockers with the guides on the roller tip for Vortec engines. The use of the tips guiding off the valves eliminates the use of push rod guide plates.
Could these rockers be used on any stock or aftermarket head instead of using guide plates? Disadvantages?
Thanks
It makes sense to me, but you would have to make sure that the pushrods clear the head material where they come up through the head from the lifter cup. You can't use two guiding systems or you will have a bind.

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