banzai510(hainz) Posted December 4, 2019 Report Share Posted December 4, 2019 I got a bad exhaust smell entering my 521 for the last few days and it’s killing me.I figured it was the intake/exhaust gasket was blown out in the middle bottom.Its always a Felpro that seems to go bad.But it was the gasket blown out between the Y pipe and manifold.In all the 30 years I have never changed one and scared I’m going to bust the nut off This might have been changed before as there are 2 thick nuts and the middle center one looks like a bolt just run thru like the stud was broke and taken out and a bolt just run thru it.Im soaking it with PB Blaster now. So asking best practice to not break the studs Quote Link to comment
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