By Jonny Turner Cran Dalgety hopes Show Stopper has found the perfect spot in Wednesday’s Southern Oaks heat at Oamaru. The three-year-old heads south with stablemate The Merc after placing in all three of her starts this time in. Show Stopper is set to start favourite from barrier 2 in Oamaru’s opening heat of the series (5.58pm) and Dalgety is hopeful that draw is one of several key factors in his horse’s favour. “She has been racing great, she’s just been running into one better on the day lately.” “The…