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Laguna Seca w/ SpeedSF - 8/6/23 - BMW M340i (#37) 

chrispy
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Open passing (gold/slow advanced) group. Wild day at gold group with lots of incidents. My vision was all over the place leading to bad inputs and driving, I missed an all black flag, I left the A/C running at one point, heat problems all day, insane understeer on a couple corners (mainly due to bad inputs I think), two(!) new cracks on my windshield, and BMW precrash making its presence felt a couple times. Only a few things went right today: I set a decent baseline for future laguna days, my rears no longer rub, and my car is intact. Maybe as I get better on this track, I'll like it more, but as of writing, it's my least favorite norcal track. Too many straights.
Last time I was out here, I didn't stay flat through t1. It's cool that I'm able to do it now, though the bigger bump there sometimes threw me off. T2 gave me problems all day. I kept trying to double apex it, and I don't think I nailed it a single time. Too much understeer, but sometimes I was able to rotate the car which kept giving me hope. I might just do a single late apex so I can launch out of the corner. T3 gave me some problems, which is a recurring theme since it's a decreasing radius turn. I kept overslowing and/or not using the new runoff on T5, so I'm thinking I could treat it more like a 90deg turn. My corkscrew felt okay, but I think I'm lifting too early into T9. More understeer problems on T11, culminating in some rage at the end. The car is likely a sub 40 car. Just need to develop into a sub 40 driver.
Setup notes:
Installed F/R endlinks, which I think helped a lot with the fast corners. Also, the homies at Performance Technic raised the car a quarter inch and with some alignment magic, we only lost .1-ish of front camber with absolutely no rubbing. Insane work. Also spoke with the eggplant supra guys (Will and Gary), and apparently upgrading the intake manifold will make all the heat problems go away on a stock tune. Hopefully I'll have that in for Labor Day weekend at Thunderhill.
255/35-19 Bridgestone RE-71RS (1st day)
19x9.5 ET25 Apex VS-5RS
CSG Spec CP pads
CSG carbon weave brake lines
Ohlins R/T w/ Eibach springs (575/900)
SPL F/R endlinks (F80 front, A90 rear)
Dinan front arm bushings
Megan racing rear control arms
Sparco Pro 2000 QRT
CSF front and aux rads
15:48 meteor hitting my windshield
37:55 275F oil, 230F water. Jeez.
43:34 1'43 lap
47:11 1'43 lap (ft BMW precrash kicking in while on train tracks)
48:54 first 1'42 lap
54:20 1'42 lap
56:20 shenanigans
59:00 1'43 lap
1:00:45 PB lap (1'42.2)
1:03:00 shenanigans 2
1:07:50 1'42 lap (ft corkscrew moment and understeer rage on T11)
0:00 session 1
12:00 session 2
24:25 session 3
42:27 session 4
57:42 session 5

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30 июл 2024

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Комментарии : 16   
@PeelerG20
@PeelerG20 11 месяцев назад
I’ll see you at Thunderhill Labor Day weekend! 🤙🏼
@treyhazel9010
@treyhazel9010 11 месяцев назад
Dude your thorough ass post just fed my OCD so hard 😅. Good shit gotta love a humble man this looks so fun and scary 😅
@chrispy28
@chrispy28 11 месяцев назад
Lmao not sure what you mean but thanks! It used to be more scary than fun. Still scary but now it's way more fun lol.
@BenDover-io9vg
@BenDover-io9vg 11 месяцев назад
You have a LOT of track days with the M340i.. 😳. Makes me feel okay with pushing mine hard here and there on the streets and canyons. I burnt the stock runflats down to the wire and then got some PS4S's; feels much better. Cheers.
@chrispy28
@chrispy28 11 месяцев назад
Anything works as long as you enjoy your car responsibly 👍
@marvinzhang3734
@marvinzhang3734 8 месяцев назад
Not on the streets bro. On local track 😂
@pierrebarratt4705
@pierrebarratt4705 11 месяцев назад
I was in the black Z28, the mustang spinning out and parking on 6 wasn't ideal! 😂
@chrispy28
@chrispy28 11 месяцев назад
That was kinda wild. Was it also your number that flew off shortly after? That spooked me 😂
@pierrebarratt4705
@pierrebarratt4705 11 месяцев назад
Sorry, though I had taped both magnetic numbers down top and bottom, one came off. I enjoy watching your unedited videos for the whole day, your car is rapid!
@chrispy28
@chrispy28 11 месяцев назад
No worries - I've heard it's a common occurrence with those, and thanks!
@PeelerG20
@PeelerG20 11 месяцев назад
Hey @chrispy, forgot to ask you if you recommend any specific lap timer? I was considering the garmin catalyst but I have no preference.
@chrispy28
@chrispy28 11 месяцев назад
Your data setup really depends on what your goals are. If all you need is a lap timer, then I would just get an app on your phone, e.g. trackaddict, racechrono, harry's lap timer, etc. It won't be very accurate since it uses your phone's GPS which doesn't have enough bandwidth, but it's good enough to start. You'll want to invest in an external GPS if you want better accuracy. Pair it with an action cam and OBD2, and you'll have a setup like mine. Total cost is cheaper than a catalyst, but it's not plug and play. I've never tried the catalyst, so I can't give a comprehensive review of it. I think it's useful since it will give you real time feedback on your driving, so its like a coach. It's kinda expensive though, and I think it has a lot of limitations if, like me, you like to review footage after track days and figure out how to improve. Because of where it wants to be mounted, you won't see what your hands are doing and where you're looking, and I believe it can't gather data from your car via OBD/CAN. Basically, if you want the simplest and cheapest setup, just get a phone app. If you want a coach with a one-time fee, get a catalyst. If you want to analyze your driving, get an action cam and something to gather data (OBD/CAN integration with phone app, AIM solo, racebox, etc).
@Driver_407
@Driver_407 11 месяцев назад
Which day are you running for memorial day? On the fence if i am coming back in sept or oct.
@chrispy28
@chrispy28 11 месяцев назад
I assume you meant labor day, but yea I'm doing Fri (east) and Sat (west). Not too interested in west reverse since I've already done it.
@Driver_407
@Driver_407 11 месяцев назад
Yep, labor day. Just picked up a op2 spot for saturday. 😎@@chrispy28
@chrispy28
@chrispy28 11 месяцев назад
Nice, I'll try to keep up with you lol
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