hey mate,i have two push turning brakes,never use them unless i have a broken tierod end,,when i first put them on years ago i thought they were awesome,but i was over using them and wasnt very quick,someone pointed it out to me at dondingalong,next heat didnt use them and was about 20 seconds quicker,they are handy to have,some people live on them but you can go fast without them,,,,
I Have one push pull turning brake and rarely have used them,maybe through a gate or to flick the rear end round abit,but you'll soon learn they dont make the car any quicker.Just easier in those tight moments.In saying that cars with a torque converter use them alot more nowadays,controls traction and keeps the buggy going straight which usually is the quickest way to go.