The Saint #23: Winners are Grinners Mystery Cache

The Saint #23: Winners are Grinners

Annually since 2009, Townsville has hosted the V8s in the Townsville 400/500.
The race is held at Reid Park, a street circuit close to the city centre.
Research this race a little to find the final coordinates of this cache.

At the date of publication, which team has won the most Townsville 400/500 titles?
The last 3 digits of the east coordinates should be obvious from this team's name.
The last 3 digit of the south coordinates are a quarter of the east digits.
The cache can be found at S19 20.??? E147 01.???