Hyd lifters on a solid cam?
Sure...... it’ll run.
Probably not too good though.
It’ll probably add about 30-40* of seat duration at the valve. So you mean the valve will stay closed longer, effectively reducing the duration at .050 to the 206-216 degree area? It's a tight lash cam spec'd at .020 valve clearance. No..... I mean the exact opposite of that. Running hyd lifters on a solid cam is the same as running it with zero lash......... because thats how much lash it will have....... zero. So I would have 286 @.050 cam? That's way, way to much. 
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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