For those that don't think the Trinity D3.5 17.5 is not you fast need to work at it a bit more. At our track the the top 3 drivers are all about .1+ faster on average with this motor, hence the reason in the US ROAR made it illegal, and for some reason re-made it legal for a short period of time.
IIC this year has also made all D3.5's illegal so I've been testing a few motors lately to find what I like. Limited different types; Thunder Power red rotor, D3 HT rotor, Mach 2. I've found the Reedy Mach 2 to be quit good and my motor of choice for IIC so far. 3.8 FDR, 32 deg timing seems to be the ticket on a technical 96x42ft track.
I got a RevTech Maxilla arriving soon to test, well see how it compares. Many say this is the fastest motor out there that's ROAR legal.
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Last edited by bkspeedo; 09-06-2013 at 06:38 AM.