RE: 4stroke on 1/10 or 1/8th truck or car
I do not know - 70-91 - it seems to me much.
Small speed of machine is pleasant to me - I used Magnum 0.30fsr, but I asked my friend for help in manufacturing some details
[link=http://www.youtube.com/watch?v=a06De1GmxwQ]test drive[/link]