I'm also still using a 10+ year old GT3b and while it doesn't hold a candle to my Sanwa MT-4S its great for bashing. IDK what the range is like on the GT5 but the GT3b is good for up to at least 3/4 of a mile. I used to use the GT3b to do 100+MPH speed runs with my high speed Rustler.
If your...