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Old May 13, 2009 | 08:50 AM
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sinisterC4's Avatar
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Default Mild Steel

As I am fixing to do the hot side. I was looking at SS dounuts and was planning all SS untill I looked at prices. Its not that I am a cheap ***..its just this car is a budget toy. How well does mild steel hold up to heat?
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Old May 13, 2009 | 09:43 AM
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in my opinion its not the heat you should worry about, its corrosion that is the enemy with the steel, little rust gets in the turbo and you got a more expensive problem the the SS to begin with. just my opinion, im sure someone will come along with the, "i been running mild steel for years" thing, but like i said, my opinion, i have only got about $250 wrapped up in my hotside piping for a single front mount.
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Old May 13, 2009 | 09:49 AM
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I was going to use Mild Steel but after sending out to get it coated I figured my cost differences between Mild and Stainless were negligible so I just went with Stainless. Mild will hold up well to the heat, but you should think about rust prevention/corrosion with a jet hot coating or similar.
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Old May 14, 2009 | 12:48 PM
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Fluid Film will stop existing rust on contact and prevent rust on clean metal.
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Old May 14, 2009 | 06:44 PM
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Originally Posted by dan@fluidfilm.com
Fluid Film will stop existing rust on contact and prevent rust on clean metal.
I have used some products from Bill Hirsch which has come over from the bridge industry. Just to try it out one day I striped a fender down to bare metal and coated it with his product and put it outside for 9 months before it started showing any signs of rust. I just dont kno what the heat would do over time. do you have any results?
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Old May 15, 2009 | 07:17 AM
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Originally Posted by sinisterC4
I have used some products from Bill Hirsch which has come over from the bridge industry. Just to try it out one day I striped a fender down to bare metal and coated it with his product and put it outside for 9 months before it started showing any signs of rust. I just dont kno what the heat would do over time. do you have any results?
the problem is that even coated...MS pipes will rot from the inside-out...I dont' think much of anything will survive the high temperature, high pressure, high flow environment inside the pipes...

Once the car is turned off, water vapor then condenses inside...
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Old May 15, 2009 | 07:28 AM
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Stainless and coated FTW
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