Exhaust Manifold Gasket Replacement

[PNM]

While replacing the exhaust manifold gasket on my NL Generator I found slight pitting on the expansion tank surface between the expansion tank and the head.

I found deeper pitting on the expansion tank where the elbow is attached. I think the new elbow will seal with the new gasket, but may use a Permatex Sealant to ensure a good seal.

I am more concerned with the head-expansion tank interface because the new gasket is made of very thin stainless steel. Alas, I find mixed recommendations on the web regarding the use of sealant on metal exhaust manifold gaskets.

Should I use a sealant on both sides of the gasket? What would you recommend?

 

[HTurner]

Use this on both sides after both sides are thoroughly cleaned:


https://www.amazon.com/dp/B000M8NZ8...olid=3JW26GXOFIHOH&psc=1&ref_=lv_ov_lig_dp_it

 

[PNM]

NL exhaust gasket replacement

Thanks, just what I needed to know.