My doomed 408 build

Soft lifter?

I suspect debris in the lifter is the culprit.
If you could get it out without pulling the heads, it wouldn’t be that big of a deal.
But alas, I don’t think you can.

Also, with many hyd roller lifters you can’t get the internals out of the body without grinding the link bar retaining rivet off....... so they’d need to be replaced.

Regardless of what else I did, I’d pull it apart to see if that’s why it was soft.

If there’s debris in it...... that’s not a defective part type of problem.

FWIW, the spring listed for use with the new hyd roller cam has a noticeably higher rate than the Ede springs(as you’d expect with the heavier lifters).
344lbs/in for the Ede, 402lbs/in for the Comp.

There was a whole lot of management problems with the shop, and the operator was leasing the shop from the actual owner. Hard to explain but the operator of the shop went default to the actual owner. The actual owner got my cam swap mid job, (and didn't get the cash I paid for the job from the operator) and I think he just wanted me put together to get me and my engine out of his shop. When I came in to pick up the engine, he told me no warranty, as he has already lost money on my job.