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05/10/2025 86 Challenge Rd5, Sonoma Raceway. Street Class GR86, 1:52.99 Lap
NoStreetRacing verified
place United States trophy Amateur
event
Event SpeedSF HPDE
calendar_today
Fecha 11 May, 2025
timer
Tiempo de la Vuelta 1:52.990 (+1.81s)
thermostat
Temperatura Exterior 17° C
Bandas de freno delanteras: G-LOC R10
Bandas de freno traseras: G-LOC R12
Tamaño del Caucho: 245/40/17

After about 3 months of absence from track days, I finally have some free time and and participate the 86 Challenge again. Compared to the last time, I put on 19/16mm sway bars and redo the alignment. The car felt a bit unfamiliar. The track condition was great in the first and second session, but later it became a bit too hot. The video was the first lap of the second session. The car felt great and I did a 1:52.99 lap (though official transponder time is 1:53.007). However, I forgot to lower the tire temperature so the rest of the 2nd session, the car just slided too much and I didn't do a better lap.

Mods:
86 Challenge Street class build (1.5pt) 
Gen2 GR86 (2pt)
245/40/17 GT Radial SX2, 20 heat cycles (-1)
Enkei TS-V 17x9 ET45
Bilstein B6 with Tein H Tech springs, front pedders tophat and double camber bolts, front bumpstop replaced with Bilstein E4-AP2-Z118A00
Perrin 19mm front sway bar, stiff slot
Subaru WRX 16mm rear sway bar.
SPL RLCA (pre-weight saving version), mounted at higher holes.
Camber: -3.5/-2.5 F/R; Toe: 0 / 1/32inch F/R
AP Racing Endurance front BBK with Powerstop Re-manufactured PP rear brake. GLoc-R10 brake pads.
Verus Rear diffuser (0pt).
Mobil1 0w40 FS, Verus prototype oil pan v2 with integrated non-gated baffle, 0.5qt overfill over max line. Total oil capacity was at around 7.5qt.
CANMIM oil pressure data injector kit designed by me.

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