Originally Posted by
TonyD.
I just bought the TC6.1 Factory team kit put it together. I plan on running a 17.5 motor but some guys at my track are telling me I should put in the X-ray spur gear. They tell me the reason for this is to get better speed because I can't put in a big enough pinion gear for the stock spur. Any help before I go any further?
I am not sure why the use of an Xray spur gear should change anything. But you can check the fitting pairs here:
http://abram.eu.org/gear_tc6.php