I have one of Joe's heat shield on my TR3A here in Phoenix (the Devil's boot camp - if hey can make it here, Hell is a piece of cake) and have had no problems! John John A. Wise Glendale, AZ 1960 Triumph TR3A Commission No: TS80422L http://members.cox.net/60tr3a/ http://www.triumphowners.com/876 1977 Porsche 911S http://members.cox.net/porsche911s/