I also like the four stroke but the muffler falling off issue is killing me [:@]with my Hog Bipe; going back to the Skybolt I would like to go with a 3 blade propeller [8D]and a four stroke will really make that 3 blade come to live, but I think the two stroke will look better in the cowl with a pitts muffler, you know more scale like[sm=thumbup.gif]. MinnFlier I must tell you that your video got me the ich for the Skybolt, I'll post pictures when it is done.