Originally Posted by
mini-dub
Billy Fischer ran 4x4 SCT at the Cactus Classic (100+* track temps) with a VTX10R and VST 4.5XL 550 motor geared with a 12t pinion. The temps equipment temps were never an issue even without fans in the highest level competition. It should work great for you

Are the 4.5txl 550s out yet?