maybe some one can help me with this problem. here is what I have

I am building aSighog bipe with a Saito 100, i want to mount the Saito at 90º and build a balsa cowl over the top, I have a GF engine mount with nylon locknuts for the engine to mount, how to get to the back of the engine mount to hold the locknut? or do I have to use adifferentstyle of mount/bolts for this application if so what do I use?

I have not yet built it but from mockupit would seem be very hard to get thelock-nutsafter the balsa cowl is built<br type="_moz" />