Originally Posted by
Maximo
tons of the top pro's will run 40% nitro..... happens all the time these days.....ever wonder why some of the Pro's stock engines run soo strong ? sometimes they will run even higher nitro then 40%

Hehe. I remember back in the ´80: Some Italian drivers ran 50% nitro AND drilled their Picco engine up to 3,8 ccm insted af the legal 3,5...