06/28/2024 86Challenge Rd5 Laguna Seca GR86 Street Class

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After 2 months of rest, I am finally back to track. I didn't drive my GR86 at all in the past 60 days and now both the track and the car felt unfamiliar to me. The car felt a bit easier to control at limit with the new coilovers but I think I still need some time to get used to the new balance. The car was overall neutral but at T5 I could not get a very clean entry, the rear end always wanted to step out and cost me a bit time. At T2 it was the opposite, the car was very understeering in the mid corner and I have to try a few different lines to get used to it. I did a few 1:46.x laps with a theoretical optimal of 1:45.06 at the end of the day. I need more seat time with this new setup.
Mods:
86 Challenge street class build (2pt)
245/40/17 GT Radial SX2, 5 heat cycles
Enkei TS-V 17x9 ET45
Annex CSP 1 way coilovers with 7k/8k rates
SPL RLCA (pre-weight saving version), mounted at higher holes.
Camber: F/R -3.2/-2.2; Toe: F/R: 0, 1/32inch
Mobil1 0w40 FS, Syms oil pan baffle, 1qt overfill. with Radium PCV catch can.
CANMIM oil pressure data injector kit designed by me.

Опубликовано:

8 сен 2024

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Комментарии : 11

@nodrogkam 2 месяца назад

Looks much better than 2 months ago.

@sikrip 2 месяца назад

Nice driving! Also, your oil pressure mods seem to be working very well.

@nostreetracing86 2 месяца назад

This is a CCW track so mostly left turns anyway. Only turn 4 has a bit issue with oil pressure.

@sikrip 2 месяца назад

Still, I have seen drops on the downhill "s" (the right turn of it) but you pass there without any issue.

@autosenses2960 2 месяца назад

@@nostreetracing86 1qrt overfill is what most guys are doing now. Do you worry about sloshing or no? I drive my car to and from the track so I question overfilling 1qrt. Right now I overfill 1/2qrt.

@nostreetracing86 2 месяца назад

@@autosenses2960 In my case I am not too worried. I recently installed a catch can and it doesn't seem to catch a lot of oil per track day (a few mL for Laguna + to and from the track). I also don't daily my GR86. But we do see people with 1qt overfill burns oil at start up some times so I would not say it is completely safe. Another way is to overfill the oil at track and use a tool to extract excessive oil from dip stick port when you need to go home. It is a bit hassle but may worth doing.

@autosenses2960 2 месяца назад

@@nostreetracing86 Yeah that’s also a great option. I don’t daily my GR either. But I do like to drive it on weekends in the AM. I overfill 1/2 qrt. Just a bit passed the max line on the dipstick. I AutoX at Limerock, which is basically a mini track/circuit with curbs and all. No cones/parking lot. It’s still high G 3rd gear corners. 🤷🏻‍♂️.

@grippgoat 2 месяца назад

Your screwup moments are always slideways. Mine seem like they're always braking too late or not hard enough, and trying not to understeer off the track. 🙈

@155stw 2 месяца назад

The screwup moments is a great teacher for car control.

@155stw 2 месяца назад

How do you like the Annex Coilover?

@nostreetracing86 2 месяца назад

I would say it works mostly OK as a 1-way coilovers. But it has limitations. Also the one I received is a inverted design prototype. The shock's stoke is a bit shorter than regular version, I think that limits its performance a bit at bumpy track like BW.