Put down the third bourbon. Solid tappets need periodic adjustment.
My '74 Fiat 124 Spider has solid tappets, overhead cam and shims. It's like working on my old Kawasaki from that era.
I haven't made any concrete decisions yet. Once i find out how the block and heads are, I'll discuss where we're headed with the guy who's building it. I'm looking for 500 HP.