Went to install the new lifters today. Brand new INA units. I could not depress them at all. My old used units could easily be 'plungered' with slight firm finger pressure.
Can I assume the new units are full of oil from the manufacturer and do no require pumping up on the bench?
Thanks
EDIT: A little more searching around and I think I found my answer:
https://youtu.be/J3_9kROwKQc