well my first engine was a magnum 36xl which came with my secondhand cougar 2000 i bought this way way back in 2003 (march)

since then i also now own a
irvine 53 in a flip 3d.....west.50t1 in a hype 3d and a os50sx which is now in my cougar 2000

oh and ive just bought a ASP.91 to go in my edge 540

and loving every minute of them