[Nmbr1GMfan]

In this first video you'll see differences in lifters and how they respond flow wise to the engine being primed. I use a distributor with o-rings but this priming tool does not, I just didn't want to take the time to grove and o-ring the tool for comparison. I did these tests so I could get a better understanding of why we had issues. I hope some finds this useful, maybe even keeps someone from making the same mistakes I have. Also as an edit here, I'll be checking oil pressure at the front and rear of the block on the dyno as well as working on a fix for that pressure differental.