Originally posted by Bax
Shane,
Changing between 10% nitro fuel and 15% won't hurt a thing. It's done all the time. As long as the engine doesn't go too lean, you'll be fine. Just remember that the needle does change when you change fuels.
Follow on Bill:
I have a .46 FX and a .91 Surpass II
Both newly broken in with Omega 10%
I would like to run both engines with the same fuel.
-probably Omega 15% and stick with that for good.
But I noticed that Morgan fuel also sells a "4 stroke"
fuel.
Thoughts?