Conversation Between dinosaurfan and TujungaJim

Hi Dinosaurfan, I was just reading a post where you mentioned that you filled the heat crossover port with an 'extreme high temp putty'. I'm very interested to know the brand and availability of just such a product. I've just pulled the baffle off the bottom of my FoMoCo Aluminum FE Intake only to find a hole the size of a silver dollar. I'm going to plug the crossover at the intake port and need to find a high temp putty or epoxy. Any info would be greatly appreciated! Thanks, James