Just lil **** like youll eventually have a light oil leak,coupler blow off, stupid **** hopefully you have a walboro 255 with your fmu or your going to put a mighty nice load on it. I hope it makes good power, have you dyno'd it. I cant recall if MM has a dyno. Anyway, a 60-1 wont make near 600 whp. Anyway post up some numbers, and have fun in it!!! Guess I have to fight to stay the fastest I like it...