AMC Diplomat
Well-Known Member
After not finding any other bad wires, I started investigating the melting temp for battery cable insulation. Most places rate their insulation between 200 and 300 degrees. So I thought ok, maybe there's not enough air flow and the manifolds just get warm and that's what melted the cable. Then I finally dug out the old laser thermometer and I got worried.






This was all after letting it idle from a cold start for about 15-20 mins. 300-400 seems high but not unreasonable. Over 680 on the other side seems like I've gone from "catch the car on fire" to "its getting hot enough somewhere to seize, strand me, and then catch on fire"
I'll be happy to know if I'm overreacting and these mopar manifolds usually get that hot. Better to admit not knowing something than to take a chance.






This was all after letting it idle from a cold start for about 15-20 mins. 300-400 seems high but not unreasonable. Over 680 on the other side seems like I've gone from "catch the car on fire" to "its getting hot enough somewhere to seize, strand me, and then catch on fire"
I'll be happy to know if I'm overreacting and these mopar manifolds usually get that hot. Better to admit not knowing something than to take a chance.