08-08-2006, 04:12 PM
I thought motors .21 and higher needed a second shim. I didnt even think about that when I put fuel in my last week and started it up. It did run fine from what I can tell(besides needing to go up to a 14 or 15t on the clutch bell,not much top end IMO). I never did shim with my 2.5 on the revo,told I didnt have to worry about it.
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