Just picked up a new header for my 93 YJ 4.0L. Just wondering what other people here have used for heat shielding on the plug wires. I've been told by one automotive shop that I don't need new plug wires and that the slip on braided heat sheilds will work fine. I've been told by another shop that I must have high heat plug wires along with the braided heat shield covers or I'll melt the wires and cause a fire. Is there anything else that I have to do? Mabye move any hoses or anything else that might melt?