RE: what to use black or red muffler
THANKS FOR THE QUICK REPLY.. THE 4O HAS AN ALUMINUN LINER AT 165 EXHAUST TIMING.. THE 50 IS TIMED AT 165 ALSO.. THINKING ABOUT A FULL PIPE ON THE 50 (MAC PIPE) MY THINKING IS MORE RPM SAME PROP AS THE 40. ALSO WHAT ABOUT 170 EXHAUST AND FULL PIPE ON THE 50???? DO YOU HAVE A START LENTH ON THE PIPE , POSSIBLY. OH THE 50 IS IN A MATNEY ZOOMER. MIGHT PUT IT ON EXTREME SPEED SIGHT BEFORE THE FIRST FLIGHT.. MAYBE TONIGHT, MIGHT BE THE LAST, YOU KNOW HOW IT GOES. THANKS AGAIN FOR INFO ITS APPRECIATED, SAVES ALOT OF TIME. RICH B.