Pitskill.io 9 hours of Kyalami - Improving my pre-qualifying average lap time

Pre-qualifying for the race on december 17th.
You must complete 5 clean, consecutive laps with an average time between 100% and 105% of the fastest lap at Kyalami
Target Time: 01:39.552 - 01:44.529
Lap Count: 5
Track: Kyalami

Race Day Timings
The race server will open at 1000UTC with a 30minute practice session, and the race starting at roughly 1030UTC and green flag at 1035UTC.
The in-game time will be set to a 2PM start for practice on race day Sunday.
Weather will be based on settings which we have used in the past, with enough randomness to maybe spice things up with a little bit of showers during the race!

Track: Kyalami
Car: Aston Martin V8 Vantage

Team:
Marcus Berggren
Rob Ebbers
Cem Özgül (new driver)

Format
Pre-Qualifying done prior to the race date.
practice 30 min
Race 9 hrs

Link: https://pitskill.io/series/1ad0df19-4ef5-47b7-bd09-22b76070f579

My custom HUD consists of Armamentario & ACC drive
Armamentario: https://armamentario.com/
ACC Drive: https://accdrive.com/
I use https://mythiq.net/fuelcalc/ for fuel calculations

Real head motion: https://www.youtube.com/watch?v=8E4sQxm9XCQ
https://www.assettocorsa.net/forum/index.php?threads%2Freal-head-motion-for-acc-is-here.63606%2F

My stuff...

Computer
Chassis: Be Quiet Silent Base 802 Tempered glass
Motherboard: MSI MEG X570 ACE
CPU: AMD Ryzen 7 5800X 3.8 GHz 8-core
RAM: 32 GB (2x16GB) @ 3200MHz
GPU: Sapphire Radeon RX 5700 XT 8GB Pulse OC

Racing setup
Cockpit - Trak Racer TR8 Mach 3 Cockpit with monitor stand and GT style seat
Wheel base - Simagic Alpha Mini Direct Drive
Wheel rim - Simagic GT4 premium
Pedals - Asetek Simsports Invicta pedals
main rig monitor: Samsung 49" Curved 144 Hz QLED
secondary monitor: 4K 34" 60hz

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