just went to check Steve, unfortunately mine are all glued and secure, i cannot see the right side in any of the build diary photo's either, so can only assume that if the parts not fitting there may a slight issue!
not to tell you how to suck eggs so to speak but have you got the left & right sides of the covers allocated to the correct sides of the engine???
regards
Dan
Built - Deagostini MP4/23, deagostini Zero, Deagostini Falcon, Deagostini R2D2, Model Airways 1903 Wright Flyer, Deagostini Senna Mp4/4.
Entex Mclaren M23 1/8th scale to complement the Deagostini MP4/23 & Mp4/4, deagostini Ferrari 312T4, Pocher lotus 72D, Pocher porche, Deagostini Lotus 97T
on the bench, Model Airways Sopwith Camel, HK Models B-17F flying fortress, Galactica Viper, Stap droid