help please

[gregg]

hi guys newby here with probably a dumb question but here goes. i just bought new a speed passion gt 2.1 ex and the instructions dont seem very clear. i am strugling to find out how low i can go with the motor turns. the website doesnt seem to be any clearer either. i have a 5.0 turn lrp motor but i dont want to cook the esc. the guy at the shop said it would run a 3.5 but i am not sure he has told me right. i cant find the ampage for the speed controll anyware. helllllppppppp. any input greatfuly received. ta.