Taking Out the Lash!

So, I've Cam-Swapped an Early 273 with the Solid Lifters and Adjustable Rockers.
The Base Circle on the New Cam is .040 smaller w/ a Little more Lift.
I was hoping the Lash would only be short by about .060 or so
but it's 3 times that! almost 3/16" of space between Rocker and Valve...
Could I, or Would You attempt to use up what's left of the Adjuster's
to close it down or is a Longer PushRod a Must in these cases?
Thanks for Input Fellow FABO Brethren

Lash1.jpg

Lash2.jpg