Should be ok but I wouldn't expect too much out of it. Change the clevises and control arms. The engine mount screws are piddly, I'd change them even with the 68. You might find it a better move to go straight for the .90 2s. They are fairly cheap if you can see past OS. That's what I would use if I was doing it again, I'm thinking about puttin my 1.20fs in to a Flair 1.8m Spitfire. Thoughts Adrian?