Just put about 500 miles on this new motor (no problems during this time) retorqued heads night before last. Took her out for a spin brought it up to 20 lbs of boost with alky of course, no knock, no issues. So last night I took dad for a ride brought it up to 20 again still nothing, so once more again shortly after. This time when I let off I heard a clunking noise. So I pulled off the road checked to make sure nothing leaking on the ground then and all was well temp was about 170 and oil pressure at idle was around 12. Got it home still making noise, so I slept on it. I reviewed some old threads and tried some of the suggestions from there. I checked to see if noise was still present with belt off (it was), checked to see if I could move crank side to side/up down (felt tight) checked flex plate converter bolts (all good). Exhaust and intercooler not hitting on frame/sway bar or anything else. So this is where I’m at, here is a link to a video I took a few minutes ago see what you guys think. Sorry if the video makes you dizzy but it’s more so the noise I’m trying to get across. Thanks in advance
YouTube - Whats this noise
YouTube - Whats this noise