Cache is located at South 33 2A.BCD East 149 3E.FGH
The following youtube videos have the answers to the missing co ordinates.
Answers for A and B from this video
https://m.youtube.com/watch?v=T0RDfmv0kNg
A is Peter Brock on racecam asks,"How are you?" The commentator Mike Raymond says one word as the answer. Number of letters in this word. Add 2 to this answer.
B is Peter Brock again tells us "This Bathurst place creates more ? than you can point a stick at." Number of letters in missing word.
Answers for C and D from this video
https://m.youtube.com/watch?v=qaWbH53tK7Q
C is about Chaz Mostert. The commentator tells us "Mostert has had a monumental ?" Number of letters in missing word. Take 3 from the answer.
D is about petrol. Which driver near the end of the race runs out of petrol. Surname of driver. Number of letters in surname. Take 7 from answer.
Answers for E and F from this video
https://m.youtube.com/watch?v=_ZWXHn-157E
E Dick Johnson himself tells us the rock was the "size of an overnight ?" Number of letters in this word. Take 1 from answer.
F Dick Johnson tells us the spectators at the top of the mountain are paralytically ? Number of letters in missing word. Add 4 to answer.
Answers for G and H from this video
https://m.youtube.com/watch?v=KOzv1R_p2pA
G is about Kevin Bartlett. Kevin tells us when in the pits he will punch him in the ? Number of letters in missing word. Add 3 to answer
H is when John Harvey gets out of his broken down car. He goes over the fence and throws his ? down on the ground. Missing word. Number of letters in this word. Add 1 to answer.