Stroker Performance Review

Where I would go from here.......

-Set valve lash hot
-upgrade to at least 3/8” fuel line, ditch the mechanical pump
-set the carb up closer to how it came ootb(less split), jet for mid/hi-12’s@wot, then tune for best mph
-shim valve springs to 1.800”
-get a real converter

The speed is way off from what one would expect looking at the sum of the parts.

I agree with YR...... this is exactly why you dyno a new, unknown combo.
Jetting, timing, lash, valve spring compatibility would all be known....... as well as having a better handle proper converter selection and shift point.