Quote:
Originally Posted by 340Cuda
I would also recommend Mark and I believe he only does stainless. However whomever you use I would recommend stainless or headers that were very well coated inside the tubes.
I listened to a webinar a few weeks back and Jon Kaase was one of the guests. He said they can look at an engine in their shop and tell if it had mild steel or stainless headers.
He went on to say that if a car sits for very long with mild steel headers rust forms inside them. We have all seen this. However he went on to say that any car with a cam much bigger than stock will do a very good job of vacuuming out the headers when the car starts and that rust will end up in the cylinders and even as far up stream as the carburetor.
Got my attention.
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I put rags in my collectors. I've done it thinking I was keeping moisture out of the engine. Never thought of the rust sucked into the engine aspect. Ouch. I wonder if the rags help?