I just had the Man-A fre power pack installed on my 60. Right off I could feel a difference off the line and am looking forward to fully testing it this weekend. One part that could not be used was the heat shield between the exhaust and intake manifold. The stock shield would not fit with the Weber carb. My mechanic is saying the with the headers more heat will be generated and could affect the carb. Has anyone made something up or reused the stock shield with headers? I'll give a full report after the weekend on how this kit worked.