Ehh if it still runs decent and hasn't hyrdolocked, then he's fine.
those pics are vids, i think i heard a rod knock, lets hope its a belt pulley chirping. the oil looks real bad too, so ill hope for the best, i hate to be the one who says the motor is shot when he just got it weeks ago.
98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW