The Porsche topped both qualifying sessions, recording a best of 1m 30.173s to secure himself top spot.
An impressively consistent performance saw Morriss then record a 1m 30.223s lap in Qualifying 2, just 0.05s off his ultimate pole position lap.
Series points leader Nick Kelly will join Morriss on the front row, the Audi R8 LMS Ultra proving second fastest across both halves of the session.
Kelly and Matt Stoupas in the Audi R8 LMS Ultra were closely matched, the pair split by just 0.2s in the opening session.
Audi locked out the second row, with Rio Nugara set to line up third in the R8 LMS Ultra.
Dave Stevens and Dale Paterson will share the third row in two iconic GT3 machines, the Ferrari 458 GT3 and DPM Chevrolet Camaro GT3.
Making his Australian GT debut, Vince Muriti banked a strong 1m 32.316s in the Audi R8 LMS Ultra which will see him seventh quickest.
American racer Brett Strom proved the fastest MARC Class entry, pushing the RHC Jorgensen-Strom by MARC entry to a 1m 34.370s.
Adam Hargraves was ninth fastest in the LOCAL Search by MARC Cars, with Daren Jorgensen tenth quickest in the RHC Jorgensen-Strom by MARC Cars BMW M4 GT4.
Completing the Trophy Series field was Chris Seidler who banked a time after an impressive effort from the team to repair the Seidler Group Porsche 911 GT3 Cup Car after a practice crash.
The Trophy Series returns to track on Saturday morning for the first of two 50 minute races at 0955, before Race 2 at 1540.
Fans can stay abreast of the action via Australian GT’s social channels, and are encouraged to get involved using the hashtag #AustralianGT.
Results: Australian GT Trophy Series, Phillip Island, Qualifying
P Competitor/Team Driver Vehicle Time
1 Motorsport Leasing / RaceRamps John Morriss Porsche 911 GT3 R 1:30.173
2 Industrie Nick Kelly Audi R8 LMS Ultra 1:30.641
3 Kentucky Fried Chicken Matthew Stoupas Audi R8 LMS Ultra 1:30.820
4 E.A.T. Furniture Rio Nugara Audi R8 LMS Ultra 1:31.346
5 Superfluid Dave Stevens Ferrari 458 GT3 1:31.914
6 Dale Paterson Motorsports Dale Paterson Chevrolet Camaro 1:32.293
7 Perfect Auto Body Vincent Muriti Audi R8 LMS Ultra 1:32.316
8 RHC Jorgensen-Strom by MARC Cars Brett Strom MARC Mazda V8 1:34.370
9 LOCAL Search by MARC Cars Adam Hargraves MARC Mazda V8 1:37.155
10 RHC Jorgensen – Strom by MARC Cars Daren Jorgensen BMW M4 GT4 1:40.652
11 Seidler Group Chris Seidler/Luke Seidler Porsche 911 GT3 Cup Car 1:50.561
Source. Australian GT