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Whats the rule on flushing brake fluid for hpde's. I completely flushed my brake fluid in my sti on sept 29th and did an HPDE the following day. After that ive put maybe 200 miles on my car and went to 1 autoX. I have another hpde this Saturday, is it good practice to completely flush the brakes again or is that overkill and should i just bleed each caliper a bit? -Jacob (USER WAS PUT ON PROBATION FOR THIS POST)
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Oct 8, 2013 17:33
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I'd say overkill, but in a good way. I do at minimum one flush a year, but it's always good to be vigilant about brakes. If this is going to be your last HPDE of the year, I wouldn't bother to flush again until before your first DE next year. -Jacob
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Oct 8, 2013 17:49
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If you don't have a soft pedal I wouldn't worry about it.
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Oct 8, 2013 19:02
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the spyder posted:Where do you normally run? It's been ages since I went drag racing at PIR. I've been autocrossing it in Bremerton and Shelton this season. I'll be getting my SCCA competition license at the start of next season. Then I'll be road racing at PIR, The Ridge, and possibly Pacific Raceways.
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Oct 9, 2013 03:32
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That autocross "track" in shelton at the airport is pure garbage.
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Oct 9, 2013 17:28
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BraveUlysses posted:That autocross "track" in shelton at the airport is pure garbage. Yeah, the surface is falling apart. I like running with WWSCC though. I don't make it out the the BSCC events much anymore.
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Oct 10, 2013 01:15
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After the boeing club lost the everett site we were forced to use the track in shelton and it's just too far for such a bad location that I gave up and switched to track days only.
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Oct 10, 2013 15:41
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BraveUlysses posted:After the boeing club lost the everett site we were forced to use the track in shelton and it's just too far for such a bad location that I gave up and switched to track days only. Pretty much this. Not worth a ferry ride and a couple hours each way for the amount of seat time on such an awful surface. Now I do solely track days with NASA. Looks like they got the environmental permit approved to build the track over there though. Would be nice to have 5 available tracks in the northwest (6 if you count Mission in BC). I just wish the SCCA would do TT or hpde at actual tracks in the northwest. God forbid you want to drive anything but Pro3 or spec miata.
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Oct 11, 2013 16:18
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I was at an event at Thunderhill on monday. I ran 7 20min sessions. My arms and neck hurt all week. Ran mid-low 2:20's though, not bad for my first dry track day though. This may have been stated already but... Thunderhill is in the process of expanding and they had all kinds of earth-moving going on. It's already a fairly long track so it'll be cool to watch the 25hrs of Thunderhill or something on a 4.5 mile course. And they'll have the ability to have 2 separate events east/west too.
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Oct 12, 2013 00:54
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Joe Mama posted:I was at an event at Thunderhill on monday. I ran 7 20min sessions. My arms and neck hurt all week. Ran mid-low 2:20's though, not bad for my first dry track day though. What were you driving? I think the LeMons Charade made a 2:19.x with the full 15 turn course.
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Oct 13, 2013 03:25
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My first HPDE in this car (03 z06). https://www.youtube.com/watch?v=izuhMuH97vc  This is at Motorsports Ranch in Cresson, TX. It's the 3.1 CCW config. I'd done this track before in the 1.7 CCW config, but never in this car. I was in the green group since it's been a while. I definitely still have a lot more to learn. I had a lot of issues with brake fade. I had flushed with Motul RBF600 the week before the event, but I made the mistake of going out on street pads. I had a lot of brake fade which made me not have a lot of confidence in my brakes and keep braking very early. On top of that, the seats did a terrible job of holding me in place. My instructor gave me 4/4 for most of the ratings. For the notes, he put "Great start, good pace and good line. Work on shorting brake zones and building entry speed. Consistent and mostly smooth (work on downshifting rev matching)." That's pretty consistent with what I thought I kept messing up. They decided to keep me in the green group for the next run. I'm hoping to do another event in the Spring. At that point I'll have new seats, a set of track brake pads + stainless lines + slotted rotors and possibly an oil cooler. I watched my oil temps go up to 285 this weekend. I'm hoping those minor upgrades will give me the confidence I need to brake at the right time and not 20 feet ahead of where I should be.
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Oct 16, 2013 17:40
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Good stuff! I would skip the slotted rotors and just upgrade the pads to something with a real heat range like the Hawk DTC-60s. As for oil, a cooler is definitely a good idea for the LS motors on track, and I would look into an Accusump due to oiling issues as well.
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Oct 16, 2013 17:46
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Phone posted:Good stuff!
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Oct 16, 2013 18:51
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285F (or around 140 C for us people who work in metric) oil temps are waaaayyy too high! Definitely get some oil cooling. There should be ample options for Corvettes out there that should be cheap. Earls or Setrab cores work great. To put it in perspective, my turbo Eclipse in 94 degree weather didn't even hit 115C (around 240 F) after repeated sessions. Water temps were a different story though. 
Octopus Magic fucked around with this message at 19:18 on Oct 16, 2013 |
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Oct 16, 2013 19:14
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on the subject of turbo dsm's, did yours make nhms's com event? i managed to get in for saterday and never came across your car
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Oct 16, 2013 20:52
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rotard posted:on the subject of turbo dsm's, did yours make nhms's com event? i managed to get in for saterday and never came across your car Nope, had clutch issues on thursday that put me out (very upsetting). Going to try for next year, hopefully the car will be more sorted then.
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Oct 16, 2013 20:54
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dangerz posted:On top of that, the seats did a terrible job of holding me in place. What seats do you think you'll go to?
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Oct 16, 2013 20:56
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kimbo305 posted:What seats do you think you'll go to?
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Oct 16, 2013 21:36
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On the topic of seats, does anyone have any experience with recaro speeds (formerly srds)? I'm looking to replace my drivers seat in my e36 m3 because the stock vader just doesn't cut it for autoX, but I don't want to go fixed back/rollbar. I'm looking at them mainly for the high leg bolstering, and I have a pretty small frame (5'6 150lbs).
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Oct 16, 2013 22:37
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dangerz posted:My first HPDE in this car (03 z06). I was out there for a bit on Saturday. I was supposed to be driving (would have been in the green group with you) but my alternator died Saturday morning as I was leaving to head out there. I'm already signed up for the class in December though, so hopefully that goes better. Went for a ride with one of the instructors in his Miata. Pretty fun for my first time on a track. SpaceRangerJoe fucked around with this message at 23:14 on Oct 16, 2013 |
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Oct 16, 2013 22:43
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dangerz posted:My first HPDE in this car (03 z06). I too was there this weekend. I was hoping for rain, but no dice .My last run was some of the most fun I've ever had. I spent the entire session chasing a C5 and managed to record a new personal best lap time (still not quick enough to pass him, though). It's amazing how much harder I push myself with a good rabbit to chase. I really enjoy the split personality of the 3.1 layout. Fast and sweeping 1.7, then it changes into a precise and technical 1.3.
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Oct 17, 2013 19:23
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dangerz posted:My first HPDE in this car (03 z06). Hey I was there too, I was in your run group. I had the grey BRZ, I even have footage of me chasing you: https://www.youtube.com/watch?v=S1-FIlLH5xc (unfortunately no video of me passing you, that would be gold  )
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Oct 17, 2013 19:29
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kuffs posted:I really enjoy the split personality of the 3.1 layout. Fast and sweeping 1.7, then it changes into a precise and technical 1.3. emoltra posted:Hey I was there too, I was in your run group. I had the grey BRZ, I even have footage of me chasing you:
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Oct 17, 2013 21:22
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dangerz posted:I was honestly nervous about the 1.3 part of the 3.1 mainly because of the elevation change. That ended up being my favorite part of the course. What group/car were you in? Roller Coaster and Toilet Bowl are some of the best parts of the track. They take a lot of confidence to pull off correctly but they feel so good when you get them right. I'm in Yellow group right now. Driving the black Audi TTS. I don't think I have any footage worth posting, but I have yet to look through my gopro.
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Oct 18, 2013 15:45
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Track pictures have been posted -- I give you subaru.jpg  
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Oct 18, 2013 21:44
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RALLY HERITAGE
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Oct 19, 2013 00:26
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Some bad news. A friend of mine went to get a day at Laguna Seca and they informed him that all "club rental" days next year are now 90 db. All I can says is, gently caress.
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Oct 20, 2013 06:28
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Won't somebody think of the people who bought real estate next to an established track with worldwide accolades?
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Oct 20, 2013 06:30
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Aurune posted:Some bad news. A friend of mine went to get a day at Laguna Seca and they informed him that all "club rental" days next year are now 90 db. Not even all stock cars will meet that. Ouch.
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Oct 20, 2013 13:43
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Unless they changed this too, they only record sound after turn 5. Turn your exhaust tip to the drivers side and lift there. It sucks but its not impossible to work with.
parid fucked around with this message at 18:33 on Oct 20, 2013 |
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Oct 20, 2013 16:16
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Here's my brother crashing into the one thing you could crash into as far as the eye can see, as filmed by me chasing him. Only broke a bone in his hand and burst a blood vessel in his eye! He bounced across the track--if you look closely, you can see him bouncing back behind my car as I'm passing the incident... https://www.youtube.com/watch?v=Wx9QtmFdhTo
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Oct 20, 2013 21:54
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the poi posted:Here's my brother crashing into the one thing you could crash into as far as the eye can see Why would they put a station there 
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Oct 20, 2013 22:08
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emoltra posted:Why would they put a station there The track runs in both directions in a handful of configurations--that station makes much more sense going in the other direction, and isn't anywhere close to a problem in other configurations. Just bad luck really (it's insured through Lockton though so it could've been worse!)
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Oct 20, 2013 22:28
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parid posted:Unless they changed this too, they only record sound after turn 5. Turn your exhaust tip to the drivers side and lift there. It sucks but its not impossible to work with. Mobile sound station now.
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Oct 20, 2013 23:20
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the poi posted:The track runs in both directions in a handful of configurations--that station makes much more sense going in the other direction, and isn't anywhere close to a problem in other configurations. Just bad luck really (it's insured through Lockton though so it could've been worse!) drat, sucks. At least your brother is ok. I recently watched a friend roll his CRX onto its roof during a qualifying session. I was behind him and knew he had gone in way too fast. Whole thing happened in slow-mo as I watched the CRX catch the gravel and flip.
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Oct 21, 2013 01:04
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BlackMK4 posted:Mobile sound station now. Ohh poo poo. When do these new rules go into effect? I have a race there in early december.
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Oct 21, 2013 01:44
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Lotsa toys on the track today. Good lord the Droid Ultra has a bad camera.  That's just a few. (Boss 302S hiding in the back)   Also knocked 3.8 seconds off my personal best. Also, god drat it, I forgot the skeleton case for my GoPro. Yet again I can't get good video of my runs. Longpig Bard fucked around with this message at 02:17 on Nov 10, 2013 |
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Nov 10, 2013 01:55
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the poi posted:Here's my brother crashing into the one thing you could crash into as far as the eye can see, as filmed by me chasing him. Only broke a bone in his hand and burst a blood vessel in his eye! He bounced across the track--if you look closely, you can see him bouncing back behind my car as I'm passing the incident... drat was the course worker okay? I actually enjoy that configuration and have always been super fast through those sweepers (in both directions), but my cars always have little enough power where I just keep the throttle pinned all the way through them and the rear stays planted. Did your brother lift?
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Nov 10, 2013 06:02
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aventari posted:drat was the course worker okay? Ya, corner worker was fine--sturdy wall behind the crush panels. In the high-res vid you can see him calmly wandering away from the wall as the car is coming towards him. It was weird. But yes--according to his Solo, he totally lifted. It looks like he lifted right before starting to brake, but wasn't straight enough, and/or got a tire onto or off the curbing at just the right time to get it loose. He was just along for the ride after that.
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Nov 10, 2013 10:05
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I took my Datsun to Thunderhill this past weekend to run it around with some friends at a Hooked on Driving Day. We ran the bypass which was new to me and I have decided I prefer to the Cyclone, it makes things faster and fast blind crests are great fun. My friend Steve shot some onboard of him chasing/following me in his Elise where I got the car loose a couple of times through over driving. https://www.youtube.com/watch?v=C1IOBY0RW_Y The real action of the day was missed on camera, but the aftermath can be seen. Second lap of the first session in the D group a E92 M3 rolls after exiting turn 9 (skip to 4:00). Das Volk, that wasn't you I hope? https://www.youtube.com/watch?v=z8Qh9Xz8W04 The day ended on down note as my car picked up a horrendous rear end banging noise somewhere along the 505 that three stops with wheels off/car up on jack stands could not diagnose so I had my car towed the last 75 miles -- thanks AAA Gold! 
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Nov 19, 2013 17:21
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