"We're recently looked at the data to try and understand why that is. That is the big fundamental thing in our series is understanding why and what happened.
"We just have to back-track on what we've done for qualifying in the race.
"It sounds kind of simple but it's not. There is a lot of stuff that goes into these cars - you adjust a millimeter here or five pound of spring there and it makes a really big difference in our cars.
"We are operating in a really small window."
Reynolds is 10th in the championship standings and has his eyes on moving up between now and the end of the year.
"I think I can get to seventh," he said. "I was eighth at one point and my last round put my 10th because I had two shocking races.
"If I finish in the top seven I would be absolutely ecstatic."
Queensland Raceway Facts
* It is 3.12km long and shaped like a paperclip, which gives the track its nickname
* Track opened in 1999
* Track has held 21 events (there were two years with multiple rounds) with Craig Lowndes and Garth Tander competing every time
* Lowndes is the most successful driver with 12 wins and he's finished on the podium in 15 of the last 19 races
Predictions
Man to beat: Impossible to go past championship leader Scott McLaughlin's red-hot form
Dark horse: Craig Lowndes' record speaks for itself but he needs to qualify in a decent spot
Pressure on: Kiwis Fabian Coulthard and Shane van Gisbergen can't afford another bad result
Keep an eye on: The battle between DJR Team Penske and Red Bull Holden Racing, who both test at this track