Originally Posted by
1QwkSport2.5r
Read my Tach thread that I linked to a few posts back. I tested this engine with a TT Pro .46 stock muffler and a Jettstream muffler for a .46. I had stellar results with both, gaining some 1600+rpm. You need a tach in order to compare one situation to another. Any rpm figure over the open exhaust figure is considered "tuned". I hope to have a couple videos up later of my SS running on the stock muffler vs. open exhaust.
1QwkSport2.5r , yes now that I think of it, I believe it was you that made such a recommendation. Without a tach, yes there is some subjectivity, a qualitative rather than a quantitative observation is that with a less restrictive muffler, my Enya .19 runs cooler and puts out a healthy amount of thrust.
Thusly, as you observed by using larger chambered mufflers indicates the true solution versus "status quo". I think the gain in using a larger chambered muffler makes it worthwhile to go with a larger muffler. I followed your advice on the Testor Series 21 McCoy .40 Black Head, using a large chambered YS muffler. It runs cool also.
