Quote Originally Posted by 1JP View Post
So, fuel causes the rust?
I dunno what caused the rust. F350 was here when I dropped them too.

I saw your other post. Keep in mind the 5.9 injectors will take more abuse than the 6.7's will. Why they rusted has got me, But between the 2 filter separators, I drained maybe an ounce of water after 2 months of sitting without a full tank. But diesel fuel is very humid to start. So something ate it. I only use diesel kleen