I put the cvr in my storm. the stock motor mounts don't work unless you do some cutting with the dremmel. I used the O.S. 18CV-RX w/11J Rotary Carb on mine. not the (s). you will need to get a pilot shaft to put on it
http://www3.towerhobbies.com/cgi-bin...?&I=LXM720&P=7 . I also got a different set of motor mounts from associated here they are
http://www3.towerhobbies.com/cgi-bin...?&I=LXBMF0&P=7 . you will need the right screws to fit with the new motor mounts but I don't remember which ones they are but it wouldn't be hard for you to find out. you will have to drill new mounting hole in the chassis to make them work but it is easie to than try to cut the original mounts. your stock flywheel, clutch and clutch bell willl fit right on with that pilot shaft. yoiu are able to use you stock exhaust manifold as well.