I'm not a skilled mechanic When my V6 sounds like that its usually a bad or loose spark plug wire. Sounds like a big miss on your recording like 5 of six cylinders firing on my Chevy V6
1992 Tbird LX 5.0, 3.73 gears, 1995 Cobra intake, deleted air silencer, 2.5" mandrel bent dual exhaust, SCP shorty headers. Updated four-hole fuel injectors. SK shift kit in AOD. Vogtland 0.9" springs, Tokico and Bilstein shocks.