Fuel Fluke

if you guy's really think heat to the bowls of a holley is the problem here is a solution/ back in the day gm installed these on their hipo cars this one is for a spread bore but they also had one that was square for holley's they came on the z28's http://www.yearone.com/serverfiles/fbshopmain2.asp?cat=8 it is a heat shield for the carb