Header gaskets
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More Turbo
Joined: Nov 2007
Posts: 703
Likes: 3
From: Western Washington
Header gaskets
Hello Everyone,
My header gaskets seems to have an exhaust leak that is continuous. The headers I am running have a thick flange and were ceramic coated by a local shop and reinstalled with a gasket that is thinner than what was being used. I'm having to retighten them every couple hundred miles or so. Getting good at learning all the tricks of retightening them. Someone suggested I should try using a graphite gasket made by Remflex. Does anyone know if these work as good as they claim? Or is there another gasket on the market that makes a good tight seal. Also thought about using some lock-washers on the bolts to help.
Thanks everyone.
My header gaskets seems to have an exhaust leak that is continuous. The headers I am running have a thick flange and were ceramic coated by a local shop and reinstalled with a gasket that is thinner than what was being used. I'm having to retighten them every couple hundred miles or so. Getting good at learning all the tricks of retightening them. Someone suggested I should try using a graphite gasket made by Remflex. Does anyone know if these work as good as they claim? Or is there another gasket on the market that makes a good tight seal. Also thought about using some lock-washers on the bolts to help.
Thanks everyone.
Elder User
Joined: Jul 2006
Posts: 930
Likes: 0
From: East Helena MT
The last time around when I pulled my engine out I had to take the headers off. Due to me not planning as well as I should have I had no new header gaskets but I did have a set of stock exhaust manifold gaskets. I have been running my engine for 3 years now using the stock gaskets with my headers. They are ceramic coated with thick flanges. I have never had a problem with the bolts backing off. I used the standard header bolt with no lock washers to keep them bolted to the head and I did use lock washers on the bolts for the collectors.
Jeff
Jeff
Elder User
Joined: Jan 2006
Posts: 861
Likes: 1
My headers were doing the same thing until my dad told me use two exhauste maniflod gaskets and set them in paper to paper and the metal backing to the head and to the header. has worked on my 390 now for the last several months on one side the other side i think is warpped because I had to use one header gasket and an exhauste gasket to get it to seal up.
Elder User
Joined: Dec 2003
Posts: 531
Likes: 1
From: New Mexico
Sanderson headers, when I bought mine from them, said they don't use gaskets--just RTV Hi-temp silicone. They enclose a tube with every set. Just be sure to let it skin up for about fifteen minutes before bolting and tightening. It works. Guys that have bad luck with silicone, I suspect, aren't letting the curing process take place first before pushing together the mating surfaces. That way the silicone doesn't get a chance to start curing. Its stay pasty just like it came out of the tube. Good luck.
