Yes, it was checked with the roller rockers installed using a LS7 lifter that had been converted to a solid lifter with a dummy spring at 0 lash with a stock length pushrod.
With the Johnson lifters longer pushrods were needed which are now 7.700" and 110 wall. Long thiccbois.
People much more knowledgeable than I am are doing the measuring!
Interesting. I had that issue on my old car. After a rocker arm broke, the electrode must have been hit or something, though the cylinder didn't look like it was damaged when I put a scope down there, might have been the turbine but hard to imagine that a small piece of metal damage the turbine by that much. Seems like it's not even big enough to do the damage most of it.
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