I was just wanted some opinion's and advice on a good .12-.18 side exhuast engine. I currently have a hpi .12ss with a little over 1hp.Im pretty new to it all but i want to get alot more involved.Thanks for any input

what kind of vehicle is the motor going in

hpi Rs4 3

picco /o.s.engines / check your local track to see what the fast guys are using . i run a ron paris .12 in my rs4 wicked fast car . remember some tracks only allow .12 for racing .