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[PERSONAL BEST!!] 2020 Mazda MX-5 Miata (ND2) 1:29.211 at Harris Hill Raceway (H2R)
Jack Zhang
Location:
United States
Level:
Amateur
Jack Zhang
Lap Date : 03 Nov, 2023
1min 29.211sec (-2.6s)
Outside Temp: 21 ° C
Harris Hill Raceway (CW)
Mazda Miata MX-5 ND 2020 (w/Cup 2)
Medium
Tire: 180 Pilot Sport Cup 2
Front Pad: Porterfield R4
Rear Pad : Powerstop Track Day
Tire Size: 215/45/17
Published on 12 Jul, 2024

Went under 1:30 for the SECOND & THIRD TIME EVER at H2R today!!

The brakes are the limiting factor. Maybe need more camber as well. The very first couple laps brakes feel amazing, and then albeit still firm, the brakes, somehow, no longer provide the same torque to stop the car as more and more laps are in. Tried the "brush the brakes" method before brake zone but that didn't help. Clueless on what could be the problem with the brakes.. On the Boxster Ferodo DS2500 holds up wonders, even at COTA with no fade whatsoever, and yet these "hard-core GLoc track pads" can't even contain 181HP??

After inspecting the tire wear after the session, the conclusion is car definitely needs more camber. Both front and rear, at least 1 degree front and 0.5 degree rear, or just 1 degree for both axles.

**Complete mod list below**
10.5th dry HPDE weekend in the ND2 Miata. 

Car is stock except:
Tire - Michlin Pilot Sport Cup 2 240TW 215/45R17 (fresh set, day 2)
Suspension - Supermiata Xida Coilovers with OEM mounts and single adjustable
Brake - G-Loc R12 (front), G-Loc R10 (rear), Castrol SRF (fluid)
Power - GWR RoadsterSport SuperStreet Axle-back Exhaust, Motul 300V 5W30 (engine oil), Motul 75w90 (gear & diff oil)

Lap time recorded with Dual Electronics XGPS160.

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