ask around about hydraulic retro rollers. It seems to me, I heard that, they are heavy pigs and don't handle revs well. But going from memory, they may have improved them in the last twenty years.
Solids will solve that.
The Magnums, IMO, are a better design.
And I have heard that the Magnum blocks have better metallurgy, with longer lasting cylinder walls.
And you can now get heads for them with LA intake bolt angles, so that intake selection is wide open now.
Something to think about.
Plus the last time I checked, the cost of hydraulic retro roller-lifters was ridiculous. For a streeter, I'd rather spend the coin on a solid flat tappet with the specialty foot.
