Originally Posted by
dougwalter911
I run 75/33 and it's great on my technical track. Motor and esc never get over 160. I run the same viper combo
when i tried that I had zero low end...I always ran 30 75, 45 timing no boost
car was perfect...

10.5 is the best for me tho...Im still waiting on the black edition viper motors
smoother power delivery for onroad...plus built in fan.
