Fast vs Slow Bracket Racing.

[bricki]

Hi guys i am not having a lot of success racing slower cars
one and two seconds waiting for my side of the tree to activate
the tree catches me sleeping more often than not what can i
do to change this.
I use a delay box thought about leaving off second light but
on practice tree red and oo,s are the result,what can i do to
improve can you guys help me with the slow cars.
cheers.