Glowing Exhaust Manifolds
Hello, I've read a lot of posts here over the past 4 months and so I thought I'd chime in for some possible RVer insight. I drive a 34' Winnebago Elante year 1992 with a 7.4L Chevy. Five months ago I ...
Forum Discussion
I'm not a metallurgist, nor do I play one on TV. But I swear I once read somewhere authoritative that with regards to components made of cast iron, if they "overheat" once, and reach a higher than normal temp, (e.g., "the sum***** GLOWED...") the tolerance of the iron is reduced somewhat, and they "overheat" easier from then on. In other words, the 1500 degrees that was needed to burn them the first time, has now reduced to 1200 or even 1000 degrees. Call a metallurgy prof at the nearest Tech & Ag college and pick his/her brains...
