On Tuesday, March 20, 2018 at 11:36:52 AM UTC-5, wrote:
> built 347 stroker
> Installed all moving parts, rotated engine.fine
> AFTER THREE REVS, CAM LOCKED DOWN
>
> this is second time--two cams and two sets of cam bearings
> had to use a slide hammer to remove both cams
>
> anyone help?

I have had to scrape in cam bearings at least once that I know of.