I ran one for the last couple years and I liked it. I ran it in an RC8T with a 2057 pipe. It has great power and doesn't use a lot of fuel. After 7min qualifiers the fuel tank would be just under 1/2 full. I never had to go over 8 min in a main before pitting but I'm sure I could have if I needed to. I have retired my buggy and am going to try a different engine in my truggy this year but will put the .24 back in if the new engine doesn't work out.
here is a video of it in my truck. The engine has plenty of power it's my driving that is lacking.
I race indoor electric off road 90% of the time but get to race nitro a few times a year.
http://www.youtube.com/watch?v=5NnBLe0ZOCc