What's That Sound?

can you expound on this?

what was the problem, and how did you fix it?

for comparrision, this was my 360 when a connecting rod went out of round and chewed up a bearing



now, this second video is that same 360 after she put on a little weight (shes a 408 now) and the alternator belt was too tight


During the installation of the headers, I had to remove the oil filter relocation system. Because it was empty I didn't get oil pressure right away. After 8-10 seconds I shut it down and got a primer rod. After priming for a minute oil pressure was fine.