Thanks for the suggestions guys. After 5 hours of playing around today, I decided rather than add more weight Ill give up looks and hack out the cheeks. And I ran into several problems along the way. The motor mount I chose wouldn't be my next choice when using a TT.07. The beams are pretty far apart and I was commited to drill and tap 4-40 for the engine mount and that just didn't work out. I eventually drilled out the mounting holes to accept "Through Hole" 4-40s with a backing nut. (Trust me, alignment gave me fits!)
What a day! I finally figured out that I have to install the motor with the muffler screws allready installed. [:@]
I'm happy with the outcome though. Proportionately the engine looks fine, not too big, not too little and my hack job came out ok.