dle is a newer company ,i frist got my dle 20 a few years ago had some trouble with it but got it to run good now i have the new dle20 ra rear muffler test ran it alls good they are getting the bugs out of them as time goes on ,i see that a lot of glow guys are going to gas i am one of them, i learn a lot from here ,http://www.rcuniverse.com/forum/gas-...-1st-post.html and this one http://www.rcuniverse.com/forum/gas-...formation.html i like the new gas engines they fit better then the old engines in the cowls and the 20 is bean mounted like the glow engines i wonder if they will ever be able to get a motor out of the box and just have to brake it in like the glow i had to but in the bow ring fit the reed clean out the junk left in on the frist dle 20 the second omuch better just had to fitted the reed better so far she runs good we see once she mounted and takes to the air ,