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Posted by Albert ('97gxe) on October 01, 2002 at 09:31:41:
In Reply to: manifold studs? bolts on cat/exhaust? nm posted by DanNY on October 01, 2002 at 07:53:22:
The more further apart two metals are on this scale...the more prone they will be to forming a galvanic cell in the presence of water. Titanium is fairly cathodic, while aluminum and iron are anodic. Most stainless are ok to use with titanium, but I'm not sure what your studs and exhaust components are made of.
http://www.eaa1000.av.org/technicl/corrosion/galvanic.htm