Hi Guys,

I just got the 90 size from my local guy. How about some help with engine options--I have an as new YS 91 FZ, NIB Webra 120 side exhaust (no pump), a NIB old OS 90 FSR, and a Thunder Tiger 1.20 rear exhaust w/pump. What do you think? Not sure the Thunder tiger rear exhaust w/pipe is practical for this plane.

I intend using the plane for AMA pattern practice. Any comments?