I searched the forums on this, but everything I find covers exhaust rust on headers. Figuring that my problem might need special attention (because I am vain, you see), here comes another rust removal thread.
When I reassembled my head and exhaust, I noticed that my 4-1 has loads of rust at the collection point, where the headers merge into the pipe underneath the engine block.
I understand that tin foil and Coca-Cola are good for cleaning up rusty chrome, but this rust (a) looks pretty heavy; (b) is in a tight spot; and (c) is not visible when the pipes are installed.
Does this scenario open up other and/or more aggressive removal options? I am thinking that separating the two pieces will give me more scrubbing access, and would allow me to soak the rusty end in something to speed rust removal (e.g., vinegar, evapo-rust, etc.) Do these treatments tear up the chrome? Is that damage mainly cosmetic? If so, then I don't mind, since the rusted area is out of sight.
Other pointers?
When I reassembled my head and exhaust, I noticed that my 4-1 has loads of rust at the collection point, where the headers merge into the pipe underneath the engine block.
I understand that tin foil and Coca-Cola are good for cleaning up rusty chrome, but this rust (a) looks pretty heavy; (b) is in a tight spot; and (c) is not visible when the pipes are installed.
Does this scenario open up other and/or more aggressive removal options? I am thinking that separating the two pieces will give me more scrubbing access, and would allow me to soak the rusty end in something to speed rust removal (e.g., vinegar, evapo-rust, etc.) Do these treatments tear up the chrome? Is that damage mainly cosmetic? If so, then I don't mind, since the rusted area is out of sight.
Other pointers?
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