I RUN NITRO I DONT THINK THERE IS A PROBLEM JUST GUYS ARE USE TO RUNNING ON A 8TH SCALE TRACK ..SO ITS FAST OPEN AND WIDE WHO HAS THE FASTEST ENGINE TIME TO BRING THE SKILLS BACK.. LIKE BACK IN THE DAYS OF MONSTER HOBBIES TRACK ..IT S A 140 STRAIGHT AND WHEN U DO HAVE A TURN U ARE LOOKING AT 20FT SMALLEST 80FT LONGEST BEFORE NEXT TURN ALOT ARE 50FT..