Sorry but I'll just throw this out there. IMO Penzoil oil is on the low end of the quality spectrum for our types of cars and engines. I'm not suggesting that thats whats causing the noise. Just pointing out the importance of high quality engine oil. But good luck.
AirRaid CAI, FRPP lca's, Sequential tails, BBK headers & catted x-pipe, Hot Rod Cams, FRPP axle-backs, MGW shifter, 20" bullets, Bama Tune, Eibach Pro Susp Pkg.