Agree with dynamite 100%, track 4 Rockwell Run is your ticket to the top, it's laid out really well and actually makes climbing fun... I too was once discouraged by the push up on the fire roads, and switched to Rockwell permanently. Just watch out for this massive Eastern Brown that lives there and sometimes comes out to say hello. Can't help you with the heat bro. I agree, when it's warm in Melb, it's fcking hot at the YYs. Was there a few weeks ago on a 30C+ day, it felt so hot and dry I aborted after about 8k's and drove down to Lysterfield which has plenty of shade. Turned out to be a 95km drive, haha...