slash 2wd help

  1. brazilusmc
    hello I have a slash 2wd drive and I am running 86 spur with a 21 pinion on a sick motor but it keep overheating what should i run for speed ?
  2. Jslashdub
    28 29 30 pinion and 73 spur I actually got a 31 pinion to fit but I had to dremmel a mm or 2 on bottom motor screw and got 55 mph
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