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Message started by OK-944 on Apr 8th, 2019 at 6:29pm

Title: Re: 1987 NA Factory Headers Stainless or Not?
Post by OhioTom on Apr 22nd, 2019 at 7:15pm
Yep, so Aluminized steel is coated. The coating wears off and the rust starts running away under neith. Just like your chart shows.

If you look at the 400 series stainless, the "used" look is exactly correct to what we see on late model cars.

Also, as one who works with 400 series stainless steel, I can tell you that heat likes to make it crack.
Thus the 300 series stainless that is meant for welding and hot applications.

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