Rust behind Heat shield/ turbo

Thraxbert

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To expound on Zrk's reply:

Several components in a turbo setup are made of iron. This improves durability, reliability, and heat tolerance compared to other metals. This iron is exposed to aggressive heating/cooling cycles. This causes a harmless layer of iron oxide (rust) to form on the exterior. This is totally normal of turbo setups that use cast iron hotsides and/or manifolds.
 
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ramizali

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Because it's iron and iron rusts.
So there wouldn’t be any problems
To expound on Zrk's reply:

Several components in a turbo setup are made of iron. This improves durability, reliability, and heat tolerance compared to other metals. This iron is exposed to aggressive heating/cooling cycles. This causes a harmless layer of iron oxide (rust) to form on the exterior. This is totally normal of turbo setups that use cast iron hotsides and/or manifolds.
thanks for this info. It just really helped me stop from over thinking lol
 

 
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